EsyTool

Percentage Calculator Online

Use this free online Percentage Calculator tool to perform quick percentage ratios and proportional calculations client-side.

What is X% of Y?

What is% of
How it works & FAQ
Instant & Private

Why this is secure?

All percentage calculations run in your browser. No data is transmitted to any server.

Step-by-Step Guide

  1. 1Select the type of percentage calculation: X% of Y, what percentage is X of Y, or percentage change.
  2. 2Enter the relevant numbers in the fields that appear.
  3. 3The result is calculated instantly as you type.

Frequently Asked Questions (FAQ)

What types of percentage calculations are supported?

Find X% of a number, find what % one number is of another, percentage increase/decrease, add/subtract a percentage, and percentage difference between two values.

How do I calculate a percentage increase?

Percentage increase = ((New Value - Old Value) / Old Value) × 100. For example, from 80 to 100 is a 25% increase.

How do I calculate the original price before a discount?

Original Price = Discounted Price / (1 - Discount%/100). For a 20% discounted item at ₹800: original = 800 / 0.8 = ₹1,000.

Zero Data Leaks

Calculations run locally in your browser. No data is sent to any server.