Annual percentage rate (APR) explains the cost of borrowing, and it's particularly useful for credit cards and mortgage loans. Then divide that by the original amount given in the problem. Markup Percentage Formula The formula for calculating markup percentage can be expressed as: For example, if a product costs $10 and the selling price is $15, the markup percentage would be ($15 - $10) / $10 = 0. …And is increase really the right word here?…Maybe it isn't, so let's do some editing. The difference in oxygen levels between the air you inhale and the air you exhale indicates how much oxygen your body is using. 10% The formula is, the new number minus the …. You divide the portion of area by the whole area and multiply by 100% to find the percent of the total area. If any two of the variables are known, the third variable can be calculated. Step 1: Calculate the percent change from one period to another using the following formula: Percent Change = 100 × (Present or Future Value – Past or Present Value) / Past or. you have also mentioned same as many of us told. We cover a list of 15 formulas and short-cuts that you can use for Percentage questions. I need a formula (for Excel) that will give me the "average annual percent change" in the median real estate price from 2000 to 2005. Formula for calculating percentages. The sum is the percentage change. Let's look margin percentage calculation! Gross margin defined is Gross Profit/Sales Price. how to calculate percentage if mix ratio is known Divide 1 by the total number of parts (water + solution). As always, only games against Division I opponents count in the RPI. And it doesn't stop here, because next week I'll show you how to use percentages to easily calculate sales prices in your head. To understand the VO2 max formulas, let's first look at VO2, or the difference between the oxygen you breathe in and the amount you breathe out. Instructions how to use the markup calculator: Download the file. Special scales, MRIs, formulas, and BMI and muscle mass calculators: These are the types of methods that can be used to calculate lean body mass and muscle mass percentage. Divide the increase ($500) by the original starting number ($5,000). How the Annual Percentage Rate (APR) is Calculated. Divide the answer by the starting value. The total is £76,000 and I want the Target Fundraising column for November to show the total as £76,000 plus the 4. A common task for an Excel analyst is to apply a percentage increase or decrease to a given number. If you're one of those people, watch this video. The first step to creating a retirement-savings plan is to do some math. Put the rule horizontally checking with the level, and then write down how long is the plumb wire, this distance will be the searched percentage. The result is 53. Percentage Calculator is a free online tool to calculate percentages. What and when you collect will make a huge difference to your lifetime benefits. Excel percentage formulas: Percentage of total, percent increase or decrease, sales tax and more These formulas can get you through everyday tasks from determining sales tax (and tips) to. The entire formula would be:. In the previous video you have learned how to calculate Percentage Increase and Decrease. The following is a list of important formulas for Percentage: 1. You should get scaled and get accurate weights (click for instructions on how to weigh a fifth wheel or travel trailer ). This should look like: x/(1-x/100), where x equals the percentage change decrease. For those of you who’d like to know the equation behind the calculator here it is. Percentage Formula in Excel 2013 Step 1: Open your spreadsheet in Excel 2013. Mud weight, ppg, increase with barite average specific gravity of barite 4. The formula for calculating percent increase used in our percentage increase calculator is: Percent. calculating the percentage of a percentage and writing the formula for excel. The importance of these categories may vary from one person to another—we'll cover that in the next section. Sometimes there are not sales for a customer, while the year before they had sales. 40% #grossmargin, 10% price increase = 20% fewer units to have the same #grossprofit dollars Click To Tweet For example, if you currently have a 40% gross margin, and you are considering a 10% price increase, you can sell 20% fewer units and you will still have the same total gross profit dollars in the end. Students, teachers, parents, and everyone can find solutions to their math problems instantly. It is pretty much useful in these situations to determine the percentage increase or percentage decrease in a quantity. We may also solve the problem in a single equation. If you wish to calculate weight loss percentages in Excel, this is easy to do. If you want to subtract a percent from a number, say for an example “a 40% loss from a principal of $60”, here’s how you can do it with simple one step formula. How to Calculate a Pharmacy’s Margin Percentage A margin percentage shows a different way of looking at your business’s health. The percent of increase or decrease is the measure of percent change. You might determine how much you want the employee’s new wages to be, but you want to know how much of a percentage increase that is. , If you want to subtract a y percent to an x amount, you can use the following formula: Where: x represents the start or inicial value and y the percent we want to subtract. Add or subtract a percentage. if K2 has 15 and is the highest, how do I make a formula that says K2 instead of 15? Answer: You can use the CELL , INDEX , and MATCH functions in combination with the MAX function to return the cell with the highest value. Note, that this equation yields wine alcohol content as a percentage of alcohol by volume. It is commonly calculated to find how much something has changed, like finding a pay increase or discovering how grocery bills have climbed from one trip to the next. Check your answer using the percentage decrease calculator. Step 2: Divide that change by the old value (you will get a decimal number). You can also calculate the Compound Annual Growth Rate using Excel’s XIRR function – check out the screengrab below for an example. Here is an example of how to calculate a percentage increase/decrease in an OpenOffice spreadsheet (calc). The spreadsheet also rearranges the formula so you can calculate the final amount (given the initial amount, CAGR, and number of years) and the number of years (given the initial and final amount, and CAGR). The percent change formula is percent increase = increase divided by original number multiplied by 100. While the formula to calculate employee productivity appears fairly straightforward, you may want to make tweaks based on industry. In a similar way to a percentage increase, there is a percentage decrease. I am assuming that it's not as simple as the change from 2000-2005/5. in biomedical sciences and is a science writer, educator, and consultant. If your answer is a negative number then this is a percentage increase. If you are using Excel Online, click Home > Number Format > Percentage. 80, the total bill is $31. The formula to calculate percentage is: (Amount of increase/Initial value) * 100 Simply fill in the values in the above percentage increase calculator and view your result. increase a number by a specified percentage), this can be done by simply multiply the number by 1 + the percentage increase. The next step is to calculate the relative amounts of materials you should combine to achieve your moisture goal. Your body mass index (BMI) is a measure of weight, calculated as weight divided by height. That's because the higher the base, the lower the percentage for any given change. This calculator will help you to find the original number, when you have been given the final number and the percentage increase or decrease. How to write formula to calculate percentage like below mention. If you wish to calculate the percentage increase or decrease of several numbers then we recommend using the first formula. With this formula you can easily find out the difference between two figures and see whether it is a positive or negative percentage. Because West Virginia’s fuel tax rates are tied to the price of gas, they have fallen since 2014 and have become stuck at their minimum “floor” amount. type the following formula into any Excel cell:. (329548/699118) x 100% = 47. When calculating the percentage change from one cell to another i. CALCULATIONS OF RATES AND TRENDS 1. The percentage increase calculator is a useful tool if you need to calculate the increase from one value to another in terms of a percentage of the original amount. How the formula works In the example, the active cell contains this formula: = C6. How to Calculate Percent Increase. The final volume is the total of the sample volume and spike volume. If you are using Excel Online, click Home > Number Format > Percentage. Calculate the percentage increase and decrease. You might determine how much you want the employee's new wages to be, but you want to know how much of a percentage increase that is. Please enter the first number in the First Number box and the higher number in the Higher Number box, then press "Percent Higher". com's Percentage (%) Difference Calculator is an online basic math function tool to calculate how much percent difference between two observations or quantities. 23 × 100 = -23%. Basis points are often abbreviated to bp or bps, and they are the equivalent of 1/100th of one percentage point, and thus it can be expressed as 0. Note that this would give a value in General/Number format and not in the percentage format. Find the size of the increase. Percent change in CPI = (end value of index - start value of the index) / start value of the index x 100 Example If you want to calculate the percent change in CPI between December 2013 and December 2014, you can go to the BLS website to find the CPI was 233. Press these buttons: 1 9 % * 2 0 = The answer is 3. a part of a whole expressed in hundredths; the result obtained by multiplying a number by a percent; a share of winnings or profits…. Percentage calculator Percentage increase/decrease calculation. com courses again, please join LinkedIn Learning. The answer is 400%. Percentage change. We can also define percent as p % = $\frac{p}{100}$ Here, we shall learn how to calculate simple percentage. We start by subtracting the smaller value from the larger one. Having already issued a decision granting Respondent summary judgment dismissing the Petition and on her claim against Petitioner for a willful overcharge, the only question remaining before the Court is the calculation and amount of the overcharge award. It's important to keep an eye on your brokerage account and. 03% increase. Dan, No point in memoraizing a formula. The following is a list of important formulas for Percentage: 1. So I set up a worksheet with the months of the year, and then a column for the current month’s fundraising target as our starting point. To calculate the percentage increase in sales, you simply compare the sales figures for one period with the sales figures for a comparable period. An easy, fill-in-the-blanks tool to calculate percentages, percentage growth, and percentage off. So to calculate for the 5 day discrepancy, you would only add $1. If that increase were looked at the other way around, it would be a different percentage change (75 decreases by 25 to 50 is a decrease of 33. percent increase between two numbers? Problem solved with Calculate Percent Increase. Second, you need to think first about which colleges fit you best. Multiply the rate of increase by 100 to find the property tax percentage increase. Percent increase is a useful thing to calculate when comparing time periods, estimating growth percent (yearly, monthly, daily etc. In the cell window enter "=(C5-B5)/B5" and hit enter. The percentage increase or decrease. 5 x 100 = 50. That's your percentage! To use the calculator, enter two numbers to calculate the percentage the first is of the second by clicking Calculate Percentage. We need Transmitter Span , Lower Range Value and Upper Range Value. The following example returns the percentage difference between a current value and a previous value. For example, find 5% percent of 70. We can look up a power table or plug the numbers into a power calculator to find out. Your FICO Scores consider both positive and negative information in your credit report. CALCULATING PERCENT INCREASE AND DECREASE. When you calculate rent increase for the second period, the index change percent is 20 percent and consequently, the rent increase is $4,000. Note: the percent increase measures FROM the first value. To calculate your taxes, you merely multiply your home's assessed value by the mill levy. In this article you will learn how to calculate Percentage Growth/Increase/Decrease in Data Interpretation Questions. First you need to subtract the smaller number from the larger one. Press Enter to assign the formula to cell E3. Dan, No point in memoraizing a formula. Or, here's a simple way to do the math yourself. (I know how to calculate 25% - 75/295 = 25. Not a huge deal, but I'd really prefer to have the percentages look less confusing. 6 * Wattage Load = Minimum Volt-Amperes (VA) This should provide you with the minimum VA rating that your UPS should have. How much Body Fat are you carrying? Find out if you are in the healthy range. For your example, Since this is a positive figure, it is an 11. Add or subtract a percentage. Or once again. Number is $108. It says the real GDP per person was 3,412 in 1890 in the US and 37500 in 2003 (in the US). If you want to know what percent A is of B, you simple divide A by B, then take that number and move the decimal place two spaces to the right. then having 1 potato is an increase of 100%, so 10 is 1000%. To calculate the accepted downtime from a known availability percentage, Multiply the numeric value of the percentage by the AST and divide it by 100. 50, so the sale price is £75− £7. A2 to B2, I have been using the formula: (B2-A2)/A2 This works fine except when A2 is 0. Formula to Calculate Percent Increase Date: 01/31/2005 at 16:58:20 From: Rachel Subject: How do I calculatre percentage increases Hi, I want to compare two figures and show the percent increase that has been made. You’ll use the margin dollar amount to calculate margin percentage. Simply understand the logic and you will never miss it: If last year's sales = X, Rate of increase or decrease = r%, and. Now, let's look at how markup percentage calculation works!. Companies describe their success or failure as an increase or decrease in profit levels. What if you need to calculate percentage increase, but not only by how much a number increased, but also the change in percentage increase between two numbers? What is formula to calculate. Percent increase formula Identify the original value and the new value. Also, you will learn how to calculate the amount of raise from the salary increase percentage (%). This article shows you how to use Excel to calculate the original number after a percentage increase - a surprisingly common problem in accounting. To calculate the mass percent or weight percent of a solution, you must divide the mass of the solute by the mass of the solution (both the solute and the solvent together) and then multiply by 100 to change it into percent. 20% of a certain number is 75. I'm hoping someone can help me with an excel formula issue. As an investor, it is. Excel percentage formulas: Percentage of total, percent increase or decrease, sales tax and more These formulas can get you through everyday tasks from determining sales tax (and tips) to. Percentage calculator Percentage increase/decrease calculation. Divide 160 by 750 to get. And Which formula we can use to calculate how much VAT has been paid when the only information you have is the total amount? Well, it is quite easy to calculate tax in excel. Just enter your ingredients and the percentages, click the "Calculate" button, and it will tell you exactly what you need. 6% of income, for example. How to Do Percentages If you are to calculate marks out of 100 it is usually not difficult so as to find the percentage. The easiest way to determine whether a percent change is an increase or a decrease is to calculate the difference between the original value and the remaining value to find the change then divide the change by the original value and multiply the result by 100 to get a percentage. Within Excel, you can enter =B3/B2 to calculate the percentage for Region A. So to calculate for the 5 day discrepancy, you would only add $1. Most literature recommends a moisture content of 50%-60% by weight for optimal composting conditions. Formula for calculating percentages. 13, increase 8. Or once again. See screenshot: Now the percentage difference between two given numbers is calculated. If you simply want to see the percent change in a value over time, A Concrete Example. Do you adjust the OWP to account for the fact that they have played the team in question? Yes. Divide the increase ($500) by the original starting number ($5,000). 2 (with or without the leading zero). Basis points are often abbreviated to bp or bps, and they are the equivalent of 1/100th of one percentage point, and thus it can be expressed as 0. the gross profit margin is expressed as a percentage. The answer is the percent increase. If your calculator does not have a percent key and you want to add a percentage to a number multiply that number by 1 plus the percentage fraction. It may turn out that you are worrying too much for the wrong reasons. Find out how to use your calculator for a particular function by keying in the fraction that you know the percentage of. You can use Excel for many purposes as it is easy to create a formula-based spreadsheet that manipulates numbers for a clear result. Use the above formula to find the percent change. Then: divide the increase by the original number and multiply the answer by 100. The function corresponding to the formula above is the PMT function. In other words, it makes a difference if we look at the change as a rise or a fall; this is "end-point problem". The tricky part is the lower the actual performance the better. One common way to calculate percentage change with negative numbers it to make the denominator in the formula positive. In the cell window enter “=(C5-B5)/B5” and hit enter. Zuora Inc (NYSE: ZUO) Q2 2020 Earnings Call Aug 28, 2019, 5:00 p. The percentage increase calculator is a useful tool if you need to calculate the increase from one value to another in terms of a percentage of the original amount. Percent of number calculator will give you the answer, it's 3. Percent increase is the change in a value by a percentage and can be found by finding the difference between the current value and the increased value and then adding the difference to the current value. The percent increase between two values is the difference between a final value and an initial value, expressed as a percentage of the initial value. The percentage calculator, formula, example calculation (work with steps), real world problems and practice problems would be very useful for grade school students (K-12 education) to learn how to find percent of some numbers. or increase a number by a percentage. Percent Increase or Decrease Worksheet Decide whether the change is an increase or decrease and find the percent using the formula change original. Highlight the cell with the part, then enter the '/' symbol, and then select the cell with the total. So in this case 85 minus 36. When calculating the percentage change from one cell to another i. Step 2: Divide that change by the old value (you will get a decimal number). August 28th 2017; 16. We're going to assume the car you will be leasing has an MSRP of $27,000 and you managed to negotiate the purchase price down to $25,000. Note: the percent increase measures FROM the first value. For Example 15% is stored as 0. To find what percentage of x is y: y/x × 100. % increase = Increase ÷ Original Number × 100. The more you practice actively evaluating the food you eat, the easier it is to control your diet in the future. With this formula you can easily find out the difference between two figures and see whether it is a positive or negative percentage. Companies may choose to purchase a digital advertisement on a website, or a link at the top of the search engine results page (SERP) to gain visibility, traffic, and conversions (transitioning a view/click into a desired action/purchase). How to Calculate Salary Hike Percentage? How to Calculate Salary Hike Percentage (Percent Increase)? Percentage Increase in Salary Calculation. On this page, you will find the following percentage calculators that can handle any percent-based math problems you might have. then having 1 potato is an increase of 100%, so 10 is 1000%. Question 152352: how do i work a reverse percentagefor example, if i multiply. The formula for calculating percent increase used in our percentage increase calculator is: Percent. p % of y = y % of p. Find the percent of increase from $100$ to $1300$. Multiply the rate by 100 to find the percentage change in the profit from one accounting period to the next. One is the classic and ubiquitous formula for computing a percentage change in a data point from an old value to a new value, which looks like this: (new - old)/old*100% So for your case: (799 - 15306)/15306*100% = -94. A family spends 25 per cent of its income on mortgage repayments of $145 per week. There are two ways to interpret "percentage improvement in response time". That's equally important to track, since it allows you to keep an eye. Once you arrive at your total wattage load requirement, you can apply the following formula: 1. If your answer is a negative number then this is a percentage increase. Formulas To Calculate Rent Increase Percentage Aug 6, 2014. Calculating percentages for a round numbers like 10 or 100 or 500 is easy. My name is Chris, and I'll be your conference operator today. For successive increase / decrease in percentages, for successive years / times, the following formula will come handy: Let the successive increase in percentages be a% and b%. in which sales revenues, variable expenses, and contribution. It is possible to calculate the percent change of a percent. Formula to show percent increase/decrease August 3rd, 2005, 07:12 I am trying to add a formula in Excel to show a percent increase or decrease in sales from one month to the next and I can't figure out the formulaColumns are: month and total sales(in dollars). The numerator mgh is gravitational potential energy and the term kT is thermal energy. In many cases, the current value varies time to time. Percentage Difference Calculator is a simple free online tool to find out the difference in percentage between any two numbers. To calculate the original number based on current value and known percentage change, you can use a simple formula that divides the current value by the percent plus 1. Here we convert two integers into a percentage manually with division and multiplication. 30 using a two-tailed test with conventional levels of alpha, a quick calculation reveals that I will need an N of at least 84. The easiest way to determine whether a percent change is an increase or a decrease is to calculate the difference between the original value and the remaining value to find the change then divide the change by the original value and multiply the result by 100 to get a percentage. You divide the portion of area by the whole area and multiply by 100% to find the percent of the total area. …I'm going to double-click in cell A6. Within Excel, you can enter =B3/B2 to calculate the percentage for Region A. The online Percent Growth Rate Calculator is used to calculate the annual percentage (Straight-Line) growth rate. For example, find 5% percent of 70. Converting fraction or decimal numbers into percentage - multiply by 100. When moving to a lower cost of living host city the index will be less than 1 (negative). 05, while 12 percent is expressed as 0. 75, and since the sign is positive, this is a 53. Percentage Change Formula Creator Macro (19. Divide the increase by your old property tax bill to get the rate of increase. George bought the stock for $10 and it went up 37%. Index Gas law concepts. However due to the constraint of the report format, i have to do it on the same row. The formula for calculating the annual growth rate is Growth Percentage Over One Year = (() −) ∗ where f is the final value, s is the starting value, and y is the number of years. Let’s say you wanted to find 19 percent of 20. Divide the mass of water in one mole of the hydrate by the molar mass of the hydrate and multiply this fraction by 100. Number is $108. 049 in December 2013 and 234. So, I've created this handy weight loss calculator for you to check your percentage of weight loss. The formula provided works for both cases; however, the difference between the new value and the original value will dictate whether the percentage change is an increase or a decrease. Body fat percentage calculator cannot provide accurate results as it does not take into consideration your body composition. Obviously, it’s not as if your building has a smokestack belching this stuff up. 1 Weapon Variance; 1. The abbreviation used to represent the percentage is “pct” or “pc”. Percentage Increase or Decrease Calculator A free tool to calculate your percentage increase or decrease. The formula for calculating. For example, if I desired an 80% probability of detecting an effect that I expect will be equivalent to r =. calculating the percentage of a percentage and writing the formula for excel. 42) of the 75 mothers 35 have 3 children, 32 have 2 children and 10 have 1 child. This is then multiplied by 100 to give the percent change in inflation. In this article you will learn how to calculate Percentage Growth/Increase/Decrease in Data Interpretation Questions. This is similar to the percent difference however it is used to describe that change as a percent of the old value. To calculate the Average Annual Growth Rate in excel, normally we have to calculate the annual growth rates of every year with the formula = (Ending Value - Beginning Value) / Beginning Value, and then average these annual growth rates. We need Transmitter Span , Lower Range Value and Upper Range Value. For example, if you want to calculate 25% of 50, multiply 25% by 50. George bought the stock for $10 and it went up 37%. How to calculate percentages can be easier than you may realize. It says that percentage increase is 1. Solve examples using the above formula: 1. What if you need to calculate percentage increase, but not only by how much a number increased, but also the change in percentage increase between two numbers? What is formula to calculate. Simple and easy to use. We can also define percent as p % = $\frac{p}{100}$ Here, we shall learn how to calculate simple percentage. Step 2: Multiply the employee's current pay rate by that decimal. Percentage increase is one way to show how two totals compare -- the percentage increase shows how much larger a final amount is from the initial amount. How to Calculate Percent Change. Confused I have 128 ounces of apple cider. To calculate keyword density in its simplest form, you divide the number of times that you have used a specific keyword by the total number of words in the text that you are analyzing and multiply the result by one hundred to achieve your percentage. The formula for percentage is the following and it should be easy to use if you follow the straightforward directions given. Excel percentage formulas: Percentage of total, percent increase or decrease, sales tax and more These formulas can get you through everyday tasks from determining sales tax (and tips) to. Let's say you wanted to find 19 percent of 20. 812 in December 2014. It is a good feeling -- and good for your portfolio value -- when the share price of a stock you own goes up in value. To calculate the original number based on current value and known percentage change, you can use a simple formula that divides the current value by the percent plus 1. Note that this would give a value in General/Number format and not in the percentage format. Positive values indicate a percentage increase whereas negative values indicate percentage decrease. how to calculate percentage if mix ratio is known Divide 1 by the total number of parts (water + solution). This is only calculating profit on labor and overhead. This online calculator solves the four basic types of percent problems and percentage increase/decrease problem. Click Calculate to receive the final dimensions or percentage. To find what percentage of x is y: y/x × 100. How to calculate the Compound Annual Growth Rate using the XIRR Function. Once you know the values, to determine the % is easy. First, you format the cell to indicate the value is a percent, and then you build the percent formula in a cell. This formula divides the value in cell A1 by the value in cell B1. Multiply the rate by 100 to find the percentage change in the profit from one accounting period to the next. Mathematically, this involves using the absolute value of the difference between two values, and dividing the result by the initial value, essentially calculating how much the initial value has changed. Percentage Gain Calculator - Calculate the percentage of increase/decrease between two units : Calculate the percentage of increase/decrease between two units. In most bars, depending on its type it varies from 20% to 25%, but in night bars it goes to more than 30% and it is the lowest in the fast food restaurants, coffee shops, and milk bars. This math video tutorial explains how to calculate the percent of change using the percent increase and decrease formula. That's your percentage! To use the calculator, enter two numbers to calculate the percentage the first is of the second by clicking Calculate Percentage. The percentage is calculated by dividing the change in value by the starting value. Re: How to calculate cumulative percentage? Actually, it is much simpler in terms of formula to work on row 7. Percentage Change Formula Creator Macro (19. To calculate X% of Y, X is what percentage of Y, change, increase, decrease or error, use the below calculators. The decision and order on this motion is as follows: BACKGROUND, PROCEDURAL HISTORY, AND FACTS. Assuming that there will be a constant precent increase in rent every year, Future rent = Current rent * (1+percent increase/100)^(number of years later) (e. For example 25000. Using what you’ve learned from how to calculate your margin percentage, the next step is to download the free Pricing for Profit Inspection Guide. The general formula for percent moisture is: in which:. Find out how to calculate employee turnover rates, and how to use that information to fight the churn. Several other cases of elasticity should be mentioned. in which sales revenues, variable expenses, and contribution. One common way to calculate percentage change with negative numbers it to make the denominator in the formula positive. For this example, the growth rate for each year will be:. Five percent is expressed as 0. 6 * Wattage Load = Minimum Volt-Amperes (VA) This should provide you with the minimum VA rating that your UPS should have. To calculate the Bilateral Factor, combine the individual disability ratings for each individual limb using similar math as above, but without the rounding. Use Percentage Calculator 3 Finally, what if you need to know the percentage change (increase or decrease) between amount or size "X" and "Y"? An item you have been thinking of purchasing had cost $249. Use our online percent growth calculator below in fill in 5 in first box and 21 in second, the answer will shock you, it's 320%!. You’ll use the margin dollar amount to calculate margin percentage. What's left over is the supplemental water that needs to be provided. If you know how to manage time then you will surely do great in your exam. You can calculate VO2 using. Using the previous example, in the year 2003, 70. Two different tasks and extension activities. Calculating Percent (Straight-Line) Growth Rates. Divide the answer by the starting value. Step 1: Calculate the percent change from one period to another using the following formula: Percent Change = 100 × (Present or Future Value - Past or Present Value) / Past or. For example, you often hear, "use 70 percent of your one-rep maximum," "use 50 percent of your body weight," or "increase your weight by 10 percent.