Calculators
Percentage Calculator
Answer everyday percentage questions: what is X% of Y, what percentage is X of Y, and the percentage change between two numbers — with the formula shown for each.
Examples
Input
15% of 200
Output
30
How to use Percentage Calculator
Choose a mode
Percent of, what percent, or percentage change.
Enter values
Type the numbers involved.
Read the result
We show the answer and the formula used.
Why use this tool
Three common calculations
Shows the formula
Instant
No rounding surprises
Frequently asked questions
(new − old) ÷ |old| × 100. A positive result is an increase, a negative result is a decrease.
Discussion
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