Percentage Change Calculator

Calculate percentage change between an original and new value, including the absolute difference.

The starting or reference value.

The value after the change.

Percentage Change Formula

Absolute Change = New Value − Original Value Percentage Change = (New Value − Original Value) ÷ Original Value × 100

The original value is used as the reference point. A positive result indicates an increase, while a negative result indicates a decrease.

How to Calculate Percentage Change

1

Enter the Original Value

Enter the value before the change.

2

Enter the New Value

Enter the value after the change.

3

Calculate

The calculator displays the percentage change and absolute difference.

Understanding Percentage Change

Positive Change

A positive percentage means the new value is higher than the original value.

Negative Change

A negative percentage means the new value is lower than the original value.

Growth Analysis

Compare revenue, sales, prices, investments and other values over time.

Value Comparison

Measure the relative change between two measurements or data points.

Frequently Asked Questions

Subtract the original value from the new value, divide the result by the original value, and multiply by 100. Percentage change = (New Value − Original Value) ÷ Original Value × 100.
Percentage change can describe either an increase or a decrease. Percentage increase specifically describes a positive change where the new value is higher than the original value.
Yes. A negative percentage change means the new value is lower than the original value.
Yes. Percentage change can be greater than 100% when the magnitude of the change exceeds the original value.

Related Math Calculators

Percentage Calculator

Calculate percentages and related results.

Percentage Increase Calculator

Calculate the percentage increase between values.

Percentage Decrease Calculator

Calculate the percentage decrease between values.

Average Calculator

Calculate the average of a set of numbers.

Ratio Calculator

Solve ratios and equivalent proportions.

Fraction Calculator

Calculate with fractions and mixed numbers.