How to calculate the percentage increase in product price?

Here's an example: We are looking for the percentage increase in price. Difference = New price - Old price. Percentage increase = (Difference / Old price) × 100.

Price Increase - By what percentage did the price increase?

The price of a product went up from $ to $ ...
What is the percentage increase?

Contextual hints will appear here as you calculate

Incomplete data. Enter all required values to see the calculations.

Answer: The price increased by %.

Round calculations to 2 decimal places

Type of calculation: Calculating percentage change (increase).
How to use the calculator: Use the Percentage Change CALCULATOR ("What is the percentage change from the Original value to the New value?"). Enter 100 [Original] and 120 [New].
The formula:
We want the percentage change from 100 to 120.
Formula: ((New value - Original value) / Original value) × 100%
Percentage change = ((120 - 100) / 100) × 100% = (20 / 100) × 100% = 0.2 × 100% = 20%