Free Price Percentage Change Calculator
This price percentage change calculator helps you work out the percentage increase or decrease between an old price and a new price. Enter both prices and the tool will calculate the difference, direction of change and percentage change.
It is useful for checking price rises, sale changes, supplier increases, bills, product prices, quotes, subscriptions and those “only a small increase” emails that somehow age you by six months.
How To Use This Price Percentage Change Calculator
Enter the old price and new price, then click Calculate Price Change. The calculator will show the money difference and percentage increase or decrease.
Price Percentage Change Formula
Percentage change is calculated by subtracting the old price from the new price, dividing by the old price, then multiplying by 100.
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Price Percentage Change Calculator FAQ
Can this calculate price increases?
Yes. If the new price is higher than the old price, the calculator shows the increase amount and percentage increase.
Can this calculate price decreases?
Yes. If the new price is lower than the old price, the calculator shows the decrease amount and percentage decrease.
What if the old price is zero?
Percentage change cannot be calculated from zero because the formula divides by the old price.