About the Percentage Calculator tool
Percentage Calculator solves the most common percentage questions without the mental math. Find what a percent of a number is, figure out what percentage one value is of another, or measure the percent change between two numbers. From discounts to test scores to price changes, the Percentage Calculator gives an instant answer right in your browser.
How to use the Percentage Calculator
- Choose the type of percentage calculation.
- Enter your two values.
- Click Calculate.
- Read the result instantly.
Features
- Three modes: percent of, is-what-percent, and percent change.
- Handles increases and decreases automatically.
- Clear, rounded results.
- Private and instant in your browser.
- Free with no sign-up.
Your privacy
The Percentage Calculator runs entirely inside your web browser. Your files and text are never uploaded to any server, so your data stays private on your own device — just like the workflow trusted on sites such as iLovePDF and Sejda, but with nothing leaving your computer.
Frequently asked questions
How do I find a percentage increase?
Use the percent change mode with the old value as X and the new value as Y.
Can it handle decreases?
Yes, a negative change is labeled as a decrease automatically.
Is my data stored?
No, nothing you enter is saved.