Year Over Year Change Calculator



Calculating Year-Over-Year (YoY) change is crucial for analyzing trends and performance over time. This calculator simplifies the process, offering an easy-to-use interface to determine YoY percentage change.

How to Use

  1. Input the initial value in the designated field.
  2. Input the final value in the corresponding field.
  3. Click the “Calculate” button to obtain the Year-Over-Year change percentage.


The Year-Over-Year change percentage is calculated using the formula:

YoY % Change=(Final Value−Initial ValueInitial Value)×100


Suppose the initial value is $1,000, and the final value is $1,200.

YoY % Change=(1,200−1,0001,000)×100=20%


Q1: How is the Year-Over-Year change percentage calculated?

A1: The formula is (Final Value−Initial ValueInitial Value)×100.

Q2: Why is Year-Over-Year change important?

A2: YoY change provides insights into trends, growth, or decline over a specific period.

Q3: Can this calculator handle negative values?

A3: Yes, the calculator accommodates both positive and negative values for comprehensive analysis.

Q4: Is there a limit to the number of decimal places in the result?

A4: The calculator provides results with up to two decimal places for clarity.


The Year Over Year Change Calculator simplifies the process of determining percentage change over time. Whether for financial analysis or performance evaluation, this tool provides a quick and accurate solution.

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