Online Percentage Increase Calculator
Calculate the percentage increase from a starting value to a final value. A negative result shows a decrease.
Find how much a value increased, as a percentage of the starting value.
Percentage Increase
225%
What Is This Tool?
The Percentage Increase Calculator shows how much a value grew, as a percentage of the starting value. Enter the starting value and the final value, and it returns the increase, for example going from 50 to 75 is a 75% — sorry, a 50% increase. If the value actually dropped, the result is shown as a negative percentage.
How to Use This Tool?
- Enter the starting value.
- Enter the final value.
- Click Calculate to see the percentage increase.
- Click the copy icon to copy the result.
Key Features
- Calculates the percentage increase from a starting value.
- Shows decreases as a negative percentage.
- Handles whole numbers, decimals, and negatives.
- Rounds the result to two decimal places.
- Lets you copy the result with one click.
Examples
- From 50 to 75 is a 50% increase.
- From 80 to 100 is a 25% increase.
- From 100 to 75 is -25%, a decrease.
- From -10 to 12.5 is a 225% increase.
Common Use Cases
- Measuring growth in sales, revenue, or followers.
- Working out a price increase or markup.
- Tracking a salary or rent rise as a percentage.
- Comparing a new figure to a starting figure.
- Solving percentage increase problems for homework.
Tips & Best Practices
- Put the earlier figure in the starting value field.
- Put the later figure in the final value field.
- A negative result means the value decreased instead of increasing.
- Remember the starting value cannot be zero.
- Copy the result directly to avoid typing mistakes.
Limitations
- The starting value cannot be zero.
- Results are rounded to two decimal places.
- It measures growth from the starting value, not from an average.
- Swapping the two values changes the result.
Frequently Asked Questions
- How is percentage increase calculated?
- Subtract the starting value from the final value, divide by the absolute value of the starting value, and multiply by 100.
- What if the value went down?
- The result is shown as a negative percentage, which means the value decreased rather than increased.
- Why can't the starting value be zero?
- The calculation divides by the starting value, and dividing by zero is undefined.
- Is this the same as percentage change?
- It uses the same formula. Percentage increase simply frames the result as growth from the starting value.
Key Terminology
- Percentage increase
- How much a value grew, as a percentage of the starting value.
- Starting value
- The original value that growth is measured from.
- Final value
- The later value being compared to the starting value.
- Percentage decrease
- A drop in value, shown here as a negative percentage.
- Percent
- A number expressed as a fraction of 100.