# Headers examples

**Percentage Change Calculator**

Enter start value and end value to calculate % change

**Value After Percentage Change**

Enter start value and percentage change to calculate end value

e.g. 100 after 5% increase = 105

## Explain

## FAQ

Find the answers for the most frequently asked questions below

###### What is a percentage change calculator?

A percentage change calculator is a tool that helps you determine the percentage difference between two values. It is commonly used to calculate the increase or decrease between an initial value and a final value.

###### How do I use the percentage change calculator?

Using our calculator is straightforward. Enter the initial value in the "Start Value" input box and the final value in the "End Value" input box. Click the "Calculate" button, and the tool will display the percentage change between the two values.

###### What formula does the calculator use to calculate percentage change?

The formula for percentage change is:

$\text{Percentage Change} = \left( \frac{\text{Final Value} - \text{Initial Value}}{\left| \text{Initial Value} \right|} \right) \times 100$

The result is expressed as a percentage.###### Can I use the calculator for both positive and negative changes?

Yes, the calculator handles both positive and negative changes. The result will be positive for an increase and negative for a decrease.

###### What should I do if I get an error message?

If you receive an error message, make sure you have entered valid numerical values in both the "Start Value" and "End Value" input boxes. Ensure there are no typos or non-numeric characters.

###### Is the calculator free to use?

Yes, the age calculators are freely accessible online tools. There is no cost associated with using them.