Calculate
Percentage calculator
Solve common percentage problems: a percent of a number, reverse percentage, increase or decrease by a percent, and percent change between two values.
Answer
50
How to use
Pick the problem type, fill in the two numbers, and read the result. Empty or impossible inputs (such as dividing by zero) show a short explanation instead of a crash.
Questions
- What does percent change mean?
- Percent change is (new − old) ÷ old × 100. A rise from 80 to 100 is a 25% increase.
- Can I calculate a discount?
- Use “decrease by a percent”. Enter the original price and the discount percentage to get the new amount.