how do calculate a 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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Finding a Specific Percentage of a Number First, convert the percentage you want into a fraction or a decimal. So in this case, 25 percent = 0.25 = 1/4. Then multiply the decimal or fraction by the number you want the percentage of.
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The mathematical formula for calculating percentage is as follows: (part / whole) * 100. To find a percent of a number, use this variant of the formula: (number * percent) / 100. Or move the comma in percentage by 2 characters to the left and perform only multiplication. For example, 10% of 100 is 0.1 * 100 = 10.
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['x = input()', 'y = input()', 'z = 100/(int(X)+int(Y))', "print('Percent of X: '+str(X*Z)+'%')", "print('Percent of Y: '+str(Y*Z)+'%')"]
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['Step I: Obtain the percentage.', 'Step II: Convert the given percentage into fraction by dividing it by 100 and removing percentage symbol (%).', 'Step III: Reduce the fraction obtained in step II in the simplest form.', 'Step IV: Write the fraction obtained in step III as a ratio.']
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How to calculate X is What Percent of Y ? To determine X is what percent of Y , divide X by Y and multiply the result by 100 to get the percentage.
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To calculate the percentage increase: Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number, then this is a percentage decrease.
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Calculate the Total, then Calculate Percentage The first is to divide the denominator of the fraction into the numerator to get a decimal fraction, which is one with a base of 10. You then multiply by 100 to get a percentage.
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3. How to find X if P percent of it is Y. Use the percentage formula Y/P% = X. Example: 25 is 20% of what number? Convert the percentage to a decimal by dividing by 100.
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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 calculate 10 percent of a number, simply divide it by 10 or move the decimal point one place to the left. For example, 10 percent of 230 is 230 divided by 10, or 23. 5 percent is one half of 10 percent. To calculate 5 percent of a number, simply divide 10 percent of the number by 2.
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Convert Fractions to Percents. Divide the top of the fraction by the bottom, multiply by 100 and add a "%" sign.
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['Example: Convert 0.125 to percent. Multiply 0.125 by 100: ... ', 'Example: Convert 0.35 to percent. Move the decimal point two places to the right: 0.35 → 3.5 → 35. ... ', 'Example: Convert 0.985 to percent. ... ', 'Example: Convert 1.2 to percent.']
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['Written using the formula: X = 7 ÷ 20%', 'Convert the percent to a decimal.', '20% ÷ 100 = 0.2.', 'X = 7 ÷ 0.2.', 'X = 35.', 'So 20% of 35 is 7.']
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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.
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['Step 1: Write down the percent divided by 100 like this: percent 100.', 'Step 2: If the percent is not a whole number, then multiply both top and bottom by 10 for every number after the decimal point. ... ', 'Step 3: Simplify (or reduce) the fraction.']
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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.