Question 1

How do I calculate 'What is X% of Y'?

Accepted Answer

To calculate a percentage of a number, convert the percentage to a decimal by dividing it by 100, then multiply the decimal by the number. For example, 20% of 50 is 0.20 * 50 = 10.

Question 2

How do I calculate percentage increase or decrease?

Accepted Answer

To calculate the percentage change, subtract the old value from the new value, then divide that result by the old value. Finally, multiply by 100 to get the percentage. The formula is ((New Value - Old Value) / Old Value) * 100.

Question 3

How do I calculate 'X is what percent of Y'?

Accepted Answer

To find what percentage one number is of another, divide the 'part' (X) by the 'whole' (Y), and then multiply the result by 100. For example, to find what percent 10 is of 200, you calculate (10 / 200) * 100 = 5%.

Percentage Calculator

Percentage Calculator

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