Year over Year Growth Calculator

Year-over-year analysis provides a reliable measure of performance by comparing your current metrics to the same period last year.

Use our free year over year growth calculator below to calculate the percentage increase or decrease in any metric's performance between 2 different years.

Year over Year Growth Calculator

Enter values for two consecutive years to calculate year-over-year growth.

Why Year over Year Growth Matters for Your Business

Here are some reasons why you need to know the year-over-year growth for your key business and marketing metrics:

  • Eliminates seasonal bias: Compares same periods, accounting for cyclical trends
  • Reveals long-term trends: Shows sustained growth or decline over extended periods
  • Facilitates accurate forecasting: Provides reliable data for future projections
  • Aligns with fiscal reporting: Matches common financial reporting cycles
  • Enables competitor comparisons: Offers standardized timeframe for industry benchmarking
  • Supports strategic planning: Informs long-term business decisions and goal-setting
  • Provides stakeholder context: Offers clear performance indicators for investors and partners

Year over Year Change Formula

Year over Year Change Formula

To calculate year-over-year change, divide the current year's value by the previous year's value, subtract 1, and then multiply by 100 to express the result as a percentage.

This calculation gives the percentage change between the same period in the current year compared to the previous year.