Free Business Tool

Percentage Calculator

Calculate percentage value, percentage ratio, and percentage increase or decrease in one place. Fast, simple, and brand-aligned for public use.

Fast Result
Instant calculation without page reload.
Simple Input
Clean form design for easy public use.
Everyday Use
Perfect for shopping, finance, and quick calculations.

X% of Y

Find the percentage value from a total amount.

X is what % of Y

Find how much percentage one value is of another.

Increase / Decrease %

Compare old and new values to measure percentage change.

How to use

  • Choose the calculation type you need.
  • Enter valid numeric values in the input boxes.
  • Click Calculate to get the result instantly.
  • Use Reset to clear the current card.

Popular formulas

  • X% of Y = (X ÷ 100) × Y
  • X is what % of Y = (X ÷ Y) × 100
  • Percentage Change = ((New − Old) ÷ Old) × 100

Percentage Calculator – Find Percentage, Increase & Decrease Easily

This percentage calculator helps you calculate percentage values, percentage increase, decrease, and ratios instantly. Whether you want to find X% of a number or calculate percentage change, this tool gives accurate results in seconds.

It is useful for shopping discounts, profit margin calculation, tax calculations, and financial analysis.

Frequently Asked Questions

How do I calculate percentage?

To calculate percentage, divide the value by total and multiply by 100.

How to calculate percentage increase?

Percentage increase is calculated as ((New − Old) ÷ Old) × 100.

Where is percentage used?

Percentage is used in shopping discounts, finance, profit calculation, tax, and daily comparisons.