Percentage Calculator
Work out X% of a number, percentage change, and adding or removing a percent.
How to use the Percentage Calculator
- 1Pick the calculator you needAll four are on the page.
- 2Type the numbersResults appear instantly.
What is the Percentage Calculator?
Four everyday percentage questions answered in one page: what is X% of a number, what percent one number is of another, the percentage increase or decrease between two numbers, and adding or removing a percentage from a value.
Four quick calculators in one page.
When to use it
- Discounts and price increases.
- Exam marks and results.
- Business growth and profit.
Questions
How do I calculate percentage change?
(New − Old) ÷ Old × 100.
Is the Percentage Calculator free?
Yes. It is completely free with no sign-up and no watermark. Use it as often as you like.
Are my files uploaded to your server?
No. This tool runs inside your browser, so your files and text stay on your own phone or computer.
Does it work on mobile?
Yes, it works in Chrome, Safari and other modern browsers on Android, iPhone, Windows and Mac.
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