Percentage Change Calculator
Percentage Change Calculator helps you calculate the percentage increase or decrease between two values. It shows how much a value has changed relative to its original number.
Use this calculator to quickly find percentage changes in prices, discounts, rent, or any numeric values.
What is percentage change?
Percentage change measures how much a value increases or decreases compared to its original value, expressed as a percentage.
Common questions
How big discount can I set?
You can use percentage change to calculate how much you reduce a price and express it as a percentage.
How big is the discount between two prices?
Enter the original price and the new discounted price to calculate the percentage decrease.
What is the percentage difference between two numbers?
Percentage difference is a different calculation. This calculator shows percentage change, which is based on the original value.
What is the percentage increase of a price or rent?
For example, if you increase rent from $550 to $580, the percentage change is +5.45%.
How much is a $20 discount on a price of $130 in percentage?
If the price drops from %130 to $110, the percentage change is -15.38%.
Formula
Percentage change formula:
(B − A) / A × 100
Where:
- A = original value
- B = new value
How to calculate percentage change
- Subtract the original value from the new value
- Divide the result by the original value
- Multiply by 100
Percentage increase vs decrease
- Positive result → percentage increase
- Negative result → percentage decrease
Percentage Change Calculator:
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