Percentage Calculator

by Calculate Quick · calculatequick.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 20 Oct 2026

Quick and easy percentage calculations right from your browser

Users

+4 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#126K

#105K among extensions

Version

1.1

updated 22 May 2025

Users

monthly, 2 years

Latest, 20 Oct 2026: 34 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 20 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Percentage Calculator

CalculateQuick Percentage Calculator brings the most‑used percentage tools into a single, lightweight Chrome extension. • Five calculators – Percentage of a number – What percentage one number is of another – Percentage change between two values – Increase / decrease a value by a percentage – Find the original number from a known percentage • Real‑time results as you type • One‑click copy to clipboard • Keyboard‑friendly input flow • Clear, accessible interface optimised for a 400 px popup • No data collection, no external requests, no ads Ideal for finance, sales, grading, discounts, and everyday maths.