Percentage Calculator
Fast & Accurate ⚡

Instantly calculate percentage increase, decrease, and change. Free, simple, and designed for everyday use.

Quick Examples

What is a Percentage Calculator?

A percentage calculator is a simple tool used to calculate how much a value has increased or decreased relative to its original value. It is commonly used in finance, shopping, business analysis, and everyday calculations.

With TurboPercent, you can quickly calculate percentage change, percentage increase, and percentage decrease in seconds without needing to remember formulas.

How to Calculate Percentage Change

Follow these simple steps:

  1. Subtract the original value from the new value
  2. Divide the result by the original value
  3. Multiply by 100

Formula:

(New − Original) ÷ Original × 100

This formula works for both increases and decreases. A positive result indicates an increase, while a negative result indicates a decrease.

Percentage Calculation Examples

Example 1: Price Increase
A product increases from 100 to 120.
Percentage increase = 20%

Example 2: Price Decrease
A product drops from 200 to 150.
Percentage decrease = -25%

Example 3: Salary Growth
Salary increases from 30,000 to 36,000.
Increase = 20%

What Can You Use This Calculator For?

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Frequently Asked Questions

How do you calculate percentage increase?
Subtract the original value from the new value, divide by the original value, and multiply by 100.

How do you calculate percentage decrease?
Subtract the new value from the original value, divide by the original value, and multiply by 100.

What is percentage change?
Percentage change measures how much a value has increased or decreased relative to its original value.

What is the difference between percentage change and percentage difference?
Percentage change compares a value to its original value, while percentage difference compares two values.

Can percentage change be negative?
Yes, a negative percentage indicates a decrease.

Why is my percentage change so large?
Small starting values can produce large percentage changes.

All Percentage Calculators

Increase Decrease Change Difference Reverse Percentage Of Percentage Error