how to calculate percentage from given amount?
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You divide your percentage by 100. So, 40% would be 40 divided by 100 or . 40. Once you have the decimal version of your percentage, simply multiply it by the given number.
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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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Find the percentage of one number in relation to another with the formula Percentage = (number you want to find the percentage for ÷ total) × 100. Move the decimal point two places to the right to convert from a decimal to a percentage, and two places to the left to convert from a percentage to a decimal.
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['To find 5%, find 10% and divide it in two.', 'To find 15%, find 10%, then add 5%.', 'To find 20%, find 10% and double it.', 'To find 25%, find 50% and then halve it.', 'To find 60%, find 50% and add 10%.', 'To find 75%, find 50% and add 25%.', '... and so on.']
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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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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.
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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 20% of 500, multiply 20% by 500.
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The easiest way to convert percentage to decimal is to divide the percentage by 100. Thus, 50 percent divided by 100 is . 50.
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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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Subtract the original value from the new value, then divide the result by the original value. Multiply the result by 100. The answer is the percent increase. Check your answer using the percentage increase calculator.
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['Convert the problem to an equation using the percentage formula: Y/X = P%', 'X is 60, Y is 12, so the equation is 12/60 = P%', 'Do the math: 12/60 = 0.20.', 'Important! ... ', 'Converting 0.20 to a percent: 0.20 * 100 = 20%', 'So 20% of 60 is 12.']
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Divide the given mark by the possible mark. The answer will be a decimal. C. Multiply the decimal by 100 to calculate the percentage.
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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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['How to convert a given percentage into ratio?', '(i) 16.5 % = 165/10 % = 165/10 × 1/100 = 165/1000 = 33/200 = 33 : 200.', '(ii) 0.4 % = 4/10 % = 4/10 × 1/100 = 4/1000 = 1/250 = 1 : 250.', '(iii) 2.5 % = 25/10 % = 25/10 × 1/100 = 25/1000 = 1/40 = 1 : 40.']
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To calculate the percentage of a number Y that X represents, just divide X by Y and multiply the result by 100.
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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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The math to determine a percentage is to divide the numerator (the number on top of the fraction) by the denominator (the number on the bottom of the fraction), then multiply the answer by 100. For example, the fraction 6/12 turns into a decimal like this: 6 divided by 12 (which equals 0.5) times 100 equals 50 percent.