Percentage Calculator
Solve common percentage questions including what a percentage of a number equals, what percentage one number is of another, and the result after increasing or decreasing a value by a percentage.
What is X% of Y?
Result36
A is what percent of B?
Percentage15%
Increase or decrease a value
After increase120
After decrease80
How this tool works
X% of Y = (X ÷ 100) × Y. A as a percent of B = (A ÷ B) × 100.
Example
15% of 240 is 36. If 36 is compared with 240, it represents 15%.
Common questions
Can percentages exceed 100%?
Yes. A value can be more than 100% of another value.
How do I decrease by a percentage?
Multiply the starting value by 1 minus the percentage expressed as a decimal.