Math
Percentage Calculator
Solve common percentage problems.
What is X% of Y?
X is what percent of Y?
Percent increase / decrease from X to Y
FAQ
- How do I find what percentage one number is of another?
- Divide the part by the whole and multiply by 100. For example, 25 is what percent of 200? 25 / 200 * 100 = 12.5%.
- How is percent increase or decrease calculated?
- Subtract the original value from the new value, divide by the original value, then multiply by 100. A positive result is an increase; a negative result is a decrease.
- Is any data sent to a server?
- No. All three calculations run entirely in your browser. Nothing is uploaded or stored.