Percentage Calculator
X% of Y = ?
%
Result
0
What percent is X of Y?
Result
0%
Percentage change from X to Y
Result
0%
About the Percentage Calculator
The Percentage Calculator answers the three most common percentage questions: what is X% of Y, what percent X is of Y, and the percentage change between two numbers. It is useful for discounts, grades, tips and finance.
Percentage Calculator FAQ
How do I calculate a percentage of a number?
Multiply the number by the percentage and divide by 100. For example, 25% of 200 is 200 × 25 ÷ 100 = 50.
How do I calculate percentage change?
Subtract the old value from the new value, divide by the old value and multiply by 100. Going from 50 to 75 is a 50% increase.
How do I find what percent one number is of another?
Divide the first number by the second and multiply by 100. 30 out of 120 is 25%.