Percentage Calculator

Calculate percentage changes, percentage of a total, grade percentages, discounts, and markups easily in your browser.

How to use this tool

Select Calculation Mode. Choose what you want to calculate (e.g. Percentage of a number, Percentage change, or Grade percentage).
Input Numbers. Enter your starting and final values into the input fields.
View Result & Working. Get the exact percentage answer and read the clear step-by-step formula breakdown.

FAQ

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