Free Percentage Change Calculator
Calculate percentage increase, decrease, discounts and profit or loss.
What is percentage change?
Percentage change measures how much a value increases or decreases compared with its original value.
Percentage change formula
\[ \text{Percentage Change}=\frac{\text{New}-\text{Original}}{|\text{Original}|}\times100 \]
For example, increasing a value from 100 to 120 produces a 20% increase.
How to calculate discounts
To calculate a discount, multiply the original price by the discount percentage and subtract the savings from the original price.
For example, a 20% discount on a price of 1,000 gives a final price of 800.