Quick Summary
A Percentage Difference Calculator is a valuable tool that measures the relative change between two values based on their average. Widely used in fields like finance, science, and education, it helps analyse trends, compare data points, and assess performance variations with ease. By instantly showing how much one value deviates from another, this calculator simplifies data interpretation and supports accurate, informed decision-making.
Percentage Difference is a statistical concept used to compare two values by expressing their difference relative to their average. It provides a clear measure of how far apart the values are in percentage terms, making it a valuable tool in various fields such as finance, science, education, and data analysis.
How to find a Percentage. In mathematics, the percentage difference can be calculated by taking the difference between two values, which is divided by the average of the two values, and it is shown as a percentage. The procedure to calculate the percentage difference is given as follows:
Let us understand this with the help of an example:
Let’s say 20 and 30 are the values, the percentage decrease can be calculated as:
Hence, the percentage difference is 40, i.e. 40%
The formula to calculate the percentage difference is:
Now that we understand the percentage difference formula and how to apply it, we have to remember that the percentage difference calculator cannot be used in reverse due to the absolute value in the formula. This is why you can’t input a number in the last two fields of the calculator.
100 × |a – b| / ((a + b) / 2)
How to calculate the percentage difference is as follows:
A Percentage Difference Calculator is a powerful tool for analysing and comparing data accurately across different fields, from finance to education. It simplifies complex comparisons by presenting values in a clear, standardised format, helping users understand relative differences with ease. By saving time and improving accuracy, this tool enhances decision-making and ensures clarity in every analysis.
Whether you’re assessing performance metrics, comparing prices, or evaluating experimental results, this tool simplifies the process and empowers you to derive meaningful insights from your data. Embracing this calculator can significantly enhance your analytical skills and improve your overall data interpretation experience.
The procedure to calculate the percentage difference is given as follows:
1. Take the difference between the two values.
2. Find the average of two values.
3 . Divide the difference value by the average value.
4. Multiply the obtained solution by 100 to get the percentage (%).
The formula for calculating a percentage increase is: (New Number – Original Number) / Original Number x 100.
Step 1: Divide the obtained marks by the maximum marks of the test. Step 2: Multiply the result by 100. Go through the example given below to understand the process of finding the percentage of marks. Example 1: A student scored 1156 marks in the examination out of 1200 marks.
If you are comparing one data point (A) to another data point (B), your formula would be A/B. This means you are dividing information A by information B. For example, if A is five and B is 10, your ratio will be 5/10. Solve the equation. Divide data A by data B to find your ratio.
If you are tracking a price increase, use the formula: (New Price – Old Price) ÷ Old Price, and then multiply that number by 100. Conversely, if the price decreased, use the formula (Old Price – New Price) ÷ Old Price and multiply that number by 100.
To determine the percentage, we have to divide the value by the total value and then multiply the result by 100.
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Authored by, Divya Jain
Content Curator
Divya merges a love for storytelling with instructional design to create content that both educates and inspires. She has written for e-learning platforms, exam prep sites, and student communities, always placing creativity at the core of her work.
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Chegg India does not ask for money to offer any opportunity with the company. We request you to be vigilant before sharing your personal and financial information with any third party. Beware of fraudulent activities claiming affiliation with our company and promising monetary rewards or benefits. Chegg India shall not be responsible for any losses resulting from such activities.
