Percentage Calculator
Calculate percentages online for free: what is X% of Y, X is what percent of Y, and percentage increase or decrease between two numbers.
What is % of ?12
is what percent of ?15%
Change from to ?30%
Going from 50 to 65 is a 30% increase.
Frequently asked questions
- How do I calculate X% of a number?
- Multiply the number by X and divide by 100. For example, 15% of 80 is 80 × 15 ÷ 100 = 12.
- How is percentage change calculated?
- (new − old) ÷ old × 100. Going from 50 to 65 is (65 − 50) ÷ 50 × 100 = a 30% increase.