Free online tool
Percentage Decrease Calculator
Calculate the percentage decrease between an original and a new value. No signup, no backend and no paid API.
Percentage Decrease Calculator
(Original − New) ÷ Original × 100
Enter values and press Calculate.
How Percentage Decrease Calculator Works
Calculate the percentage decrease between an original and a new value. Enter the requested values, select Calculate, and the result is computed instantly in your browser using JavaScript.
Formula
(Original − New) ÷ Original × 100
Why Use This Calculator?
This free calculator is designed for quick everyday math, school work, shopping, finance and business calculations. It works on desktop and mobile devices without requiring an account.
Frequently Asked Questions
Yes. It is free to use and calculations are performed locally in your browser.
No. Use the calculator directly from your web browser.
Yes. The interface is responsive for phones, tablets and desktop computers.