Percentage Change Calculator

  • Enter the Old Value and New Value.
  • Click "Calculate Percentage Change" to calculate the percentage change.
  • The result and calculation details will be displayed.
  • You can also copy the result to the clipboard using the "Copy Results" button.
  • Your calculation history will be displayed below.
  • To clear the results or history, use the respective buttons.
Calculation History

    Introduction to Percentage Change Calculators

    Percentage change calculators are essential in economics, finance, and data analysis. They help you calculate the percentage difference between two values, indicating how much something has increased or decreased in percentage terms.

    Understanding Percentage Change

    Definition and Concept

    • Percentage Change: It represents the degree of change over time, calculated as the difference between two values relative to the original value.
    • Basic Formula: The formula for percentage change is: Percentage Change=((New Value−Old Value)/Old Value)×100

    Common Uses

    • In finance, it tracks stock price movements, interest rate changes, or profit margins.
    • In economics, it measures inflation, GDP growth, etc.
    • In everyday life, for comparing prices, changes in expenses, etc.

    Utilizing a Percentage Change Calculator

    Key Functionalities

    1. Calculating Increase or Decrease: Determines how much a quantity has increased or decreased in percentage terms.
    2. Comparative Analysis: Useful in comparing data over different time periods.
    3. Versatile Application: Can be applied in financial calculations, academic research, and personal finance management.

    Step-by-Step Usage

    1. Input Old and New Values: Enter the original (old) and new values.
    2. Calculation Process: The calculator computes the percentage change using the above mentioned formula.
    3. Output: It displays the result, indicating the percentage increase or decrease.

    Benefits of Using a Percentage Change Calculator

    • Accuracy and Precision: Reduces human error, providing accurate results.
    • Efficiency: Saves time compared to manual calculations, especially in complex or repetitive tasks.
    • Ease of Use: User-friendly interface, making it accessible for people with varying levels of mathematical proficiency.
    • Insightful Analysis: Helps in making informed decisions by providing clear insights into data trends.

    Interesting Facts

    • Percentage change calculations are crucial in understanding market trends, especially in volatile financial markets.
    • These calculations play a significant role in economic policymaking and business strategy.
    • The concept is not just limited to finance and economics; it’s also used in environmental studies, health statistics, and more.


    A percentage change calculator is an invaluable tool for anyone needing to assess changes and trends in data. Whether you are a student, a financial analyst, or just someone interested in understanding the dynamics of change in various aspects of life, this calculator simplifies and streamlines the process. By mastering its use, you can gain deeper insights into your data, make more informed decisions, and efficiently manage tasks that involve percentage change calculations.

    Last Updated : 13 February, 2024

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