how do u figure out the percentage of a number?
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['Convert the problem to an equation using the percentage formula: P% * X = Y.', 'P is 10%, X is 150, so the equation is 10% * 150 = Y.', 'Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.']
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["You divide the number you you want to get the percentage for by the number you're getting the percentage of, then multiply it by 100 and do a Math. ... ", 'var wholePercent = Math.floor(3/9*100);', 'To turn it into a function:', 'function getWholePercent(percentFor,percentOf) ... ', 'call it like this:', 'var wholePercent=getWholePercent(3,9);']
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Calculating the Percent In finding the percent of a number, divide the percentage by the quantity then multiply the product by 100. Put a percent symbol (%) after the final product. If the percentage is greater than the quantity, this means that the percent is greater than 100%.
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To find the percentage of a number we divide the total amount by 100 - this will tell us what 1% of the total is, and then multiply by the amount that we wish to know. Another method of finding the percentage of a number is to change the percentage required into a decimal and the multiply the number by it.
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['Either add/subtract the percentage given in the problem from 100% to determine what percentage we have.', 'Find 1% by dividing by percentage found in previous step.', 'Find 100% (original amount) by multiplying your answer in step 2 by 100.']
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If you have to turn a percentage into a decimal, just divide by 100. For example, 25% = 25/100 = 0.25. To change a decimal into a percentage, multiply by 100.
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To calculate the percentage, multiply this fraction by 100 and add a percent sign. 100 * numerator / denominator = percentage . In our example it's 100 * 2/5 = 100 * 0.4 = 40 . Forty percent of the group are girls.
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['Converting from a decimal to a percentage is done by multiplying the decimal value by 100 and adding %.', 'Example: 0.10 becomes 0.10 x 100 = 10%', 'Example: 0.675 becomes 0.675 x 100 = 67.5%']
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Similarly, you can multiply the 1% answer by any number to find any percentage value. For example, to find 80% of 4,500, multiply the 45 by 80 to get 3,600. Learn how to work out the percentage of something if you already have the value.
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If you need to find a percentage of a number, here's what you do – for example, to find 35% of 240: Divide the number by 10 to find 10%. In this case, 10% is 24. Multiply this number by how many tens are in the percentage you're looking for – in this case, that's 3, so you work out 30% to be 24 x 3 = 72.
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To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is calculated; (50/100) x (40/100) = 0.50 x 0.40 = 0.20 = 20/100 = 20%. NOTE: It is not correct to divide by 100 and use the percent sign at the same time.
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He says that to find the percentage of a number we need to mark a decimal after the percentage number and move it to two decimal places left and finally multiply it with the given number to obtained the percentage value of that number.
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If you want to calculate a percentage of a number in Excel, simply multiply the percentage value by the number that you want the percentage of. For example, if you want to calculate 25% of 50, multiply 25% by 50.
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About This Article To calculate percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a decimal by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage.
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To change a fraction to a percent, • Change the fraction to a decimal. Change the decimal to a percent. Or, move the decimal point 2 places to the left. 1.2% = .
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Use the following formula to calculate a percentage: number divided by total income times 100 equals the percentage. For example, if the number in question is $100, and your total income is $1,500, divide 100 by 1,500, and multiply the result by 100 to get the percentage.
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If the percentage is an increase then add it to 100, if it is a decrease then subtract it from 100. Step 2) Divide the percentage by 100 to convert it to a decimal. Step 3) Divide the final number by the decimal to get back to the original number.