# How to calculate percent difference Percent difference or percentage difference is used to calculate how much two numbers vary between each other. It is presented as a percentage. Percentage difference is useful in manufacturing, design or engineering. Calculating the percentage difference between three numbers requires calculating the percentage. Percent difference formula is given here along with solved example questions. Know how to apply the formula for percentage difference at BYJU'S. Example: Alex works 6 hours, and Sam works 9 hours. Difference = 6 − 9 = −3 But in this case we ignore the minus sign, so we say the difference is simply 3 (We could have done the calculation as 9 − 6 = 3 anyway, as Sam and Alex are equally important!) Calculator Use. The Percentage Difference Calculator (% difference calculator) will find the percent difference between two positive numbers greater than 0. The percentage difference calculator is here to help you compare two numbers. Here we will show you how to calculate the percentage difference between two numbers and, hopefully, to properly explain what the percentage difference is as well as some common mistakes. In the following article, we will also show you the percentage difference formula. Tips: Use tab to move to the next field. Use shift-tab to move to the previous field. Press enter to calculate. Calculate the percentage increase or decrease between two numbers. Percentage Difference Calculator is a simple free online tool to find out the difference in percentage between any two numbers To calculate the percent difference between a final value and an initial value (also called percent charge), you subtract the initial value from the final value, divide this by the initial value, and multiply the result by 100 to convert the decimal value into a percentage as the answer. Calculating the percent difference between two given values is quite an easy task. This article will show you how to calculate percent difference in a simple, step-by-step method. You can use the percent difference formula when you want to know the difference between two values in terms of percentage. From the chart, we can observe the percentage change in every year. If the percentage is negative the bar will show under the baseline 0. Hope it is clear now how to find the percentage, Percentage difference and how to show the percentage change in a visual chart.