Percentage Increase Calculator

  • Enter the initial value and final value to calculate the percentage increase.
  • Click "Calculate" to perform the calculation.
  • View the result and the detailed calculation with the formula.
  • Your calculation history will be displayed below.
  • Click "Clear Results" to clear the inputs and results.
  • Click "Copy Results" to copy the result to the clipboard.
Calculation History:

    In the world of mathematics and finance, percentages play a crucial role in quantifying change. One valuable tool that simplifies the process of calculating percentage increases is the “Percentage Increase Calculator.” This tool is used to determine the percentage change between two values and is widely employed in various fields such as economics, business, and statistics.

    Concept of Percentage Increase

    Percentage increase refers to the change in a value relative to its original value, expressed as a percentage. It is commonly used to analyze growth, inflation, price changes, and more. The concept is straightforward: to calculate the percentage increase, we need the original value (old value) and the new value.

    Formulae for Percentage Increase

    To calculate the percentage increase, we can use the following formula:

    Percentage Increase = ((New Value – Old Value) / Old Value) * 100


    • New Value: The updated or final value.
    • Old Value: The initial or original value.

    Let’s illustrate this formula with an example.

    Example Calculations

    Example 1: Calculating Percentage Increase in Stock Price

    Suppose you have invested in a stock with an initial price of $50, and the current price is $65. To find the percentage increase in the stock price:

    Percentage Increase = (($65 – $50) / $50) * 100 = 30%

    This means that the stock price has increased by 30% since your initial investment.

    Example 2: Calculating Percentage Increase in Population

    Consider a town with a population of 5,000 people a decade ago, and now the population stands at 7,500. To calculate the percentage increase in population:

    Percentage Increase = ((7,500 – 5,000) / 5,000) * 100 = 50%

    The town’s population has increased by 50% over the past decade.

    Real-World Use Cases

    The Percentage Increase Calculator finds application in various real-world scenarios:

    Finance and Investments

    Investors and financial analysts use it to track changes in stock prices, bond yields, and portfolio values. It aids in making informed decisions and assessing the performance of investments.

    Business and Economics

    Businesses use percentage increase calculations to evaluate changes in sales, revenue, expenses, and profit margins. Economists rely on it to analyze inflation rates and economic growth.

    Education and Statistics

    Educators and students utilize this tool to understand concepts of percentage change in mathematics and statistics. It is an essential skill for data analysis.

    Health and Medicine

    Percentage increase calculations are applied in medical research to determine changes in disease prevalence, treatment outcomes, and mortality rates.

    Marketing and Sales

    Marketers use percentage increase to measure the effectiveness of marketing campaigns, website traffic, and conversion rates.


    The Percentage Increase Calculator simplifies the process of quantifying change in various fields. Its formula, which calculates the percentage change between two values, is a fundamental concept in mathematics and has extensive real-world applications. Whether you are an investor, business owner, student, or researcher, understanding and using this tool is essential for informed decision-making and analysis.


    1. Nofsinger, J. R. (2015). The Psychology of Investing. Pearson.
    2. Perloff, J. M. (2019). Microeconomics. Pearson.
    3. Larose, D. T., & Larose, C. D. (2019). Discovering Statistics: The Art of Data Analysis. Wiley.

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