About the Percentage Calculator tool
The Percentage Calculator lets you quickly answer common percentage questions such as “What is X% of Y?” and “What is the percentage change from A to B?”. It is useful for shopping discounts, financial calculations, analytics, and exam score analysis.
Instead of doing manual math, you can rely on this calculator to avoid mistakes and speed up your workflow. All calculations happen instantly in your browser without sending any data to a server.
Common ways to use this calculator
- Find discounted prices during sales by entering the discount percentage and original price.
- Measure growth or decline between two values with the percentage change section.
- Quickly compute commissions, tax amounts, and interest portions.
For more financial and math utilities, visit the Math & Calculators section on the main tools page.