# Percentage Change

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**Formula:**`Percentage Change = ((new - original) / original) × 100`

## Introduction to Percentage Change Calculator

The percentage change formula calculates the percentage change from one value to another. This is useful for analyzing changes in various scenarios, such as sales figures, stock prices, or population growth.

## Parameters usage:

`originalValue`

= initial value or starting point`newValue`

= new or final value

## Example valid values:

`originalValue`

= 500`newValue`

= 600

## Output:

`percentageChange`

= percentage change between the original and new values

## Data validation

The original value should not be zero, and both values should be numeric.

## Summary

This percentage change calculator takes two values and calculates the percentage change between them, indicating whether the change is an increase or decrease relative to the original value.

Tags: Percentage, Change, Mathematics