Percentage Change Calculator is a free online tool that displays the change in percentage whether it is increased or decreased. CoolGyan’S online percentage change calculator tool makes the calculation faster, and it displays the percentage change in a fraction of seconds.

## How to Use the Percentage Change Calculator?

The procedure to use the percentage change calculator is as follows:

**Step 1:** Enter the original value and the changed value in the respective input field

**Step 2:** Now click the button “Calculate Percentage Change” to get the result

**Step 3:** Finally, the percentage change will be displayed in the output field

### What is Meant by Percentage Change?

In mathematics, the percentage change is a simple concept that defines the degree of change over time. The percentage change can be calculated in terms of either percentage increase or percentage decrease. The formula to calculate the percentage increase or percentage decrease is given as follows:

Percentage Increase = [(Changed Value – Original Value) / Original Value] × 100 %

Percentage Decrease = [(Original Value – Changed Value) / Original Value] × 100 %