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how to work out percentage formula. What is of. By Mark Kennan If you have a starting amount and you want to add a percentage simply multiply the percent by the original amount to find the amount that gets added.
To calculate the percentage of a specific number you first convert the percentage number to a decimal. Click the Percent Style button Home tab Number group to display the resulting decimal fractions as percentages. Although theres no basic percentage formula in Excel you can multiply a number by a percentage using a formula.
Unlike the previous formula this one doesnt multiply anything by 100.
Remember to increase the number of decimal places if needed as explained in Percentage tips. A percentage is just a special kind of fraction. On the Home tab in the Number group click the percentage symbol to apply a Percentage format. By Mark Kennan If you have a starting amount and you want to add a percentage simply multiply the percent by the original amount to find the amount that gets added.