Compare annual performance year-over-year (YoY) to measure long-term trajectory and enterprise compounding.
Calculate the exact year-over-year growth rate for any business metric with this free YoY calculator.
Year-over-year growth compares a metric in the current period to the same period in the previous year. For example, comparing September 2025 revenue to September 2024 revenue tells you true annual growth, eliminating seasonal variation.
YoY is the most common growth measurement used in business reporting.
YoY growth equals (current year value minus previous year value) divided by previous year value, times 100.
A positive result means growth. A negative result means decline.
A retail business in December will always outperform November due to festive sales. Month-over-month comparisons in seasonal industries are misleading.
YoY comparison to the same month last year provides a true apples-to-apples performance comparison.
Consistent positive YoY growth validates your strategy. Declining YoY growth signals that you need to adapt: pricing, marketing, product, or cost structure.
YoY revenue and profit growth together tell you whether you are growing profitably or just growing revenue at the expense of margin.
Annual reports, investor updates, and bank presentations all use YoY comparisons. Understanding and presenting your YoY growth rate professionally strengthens your credibility with external stakeholders.
Use the Tez Invoice free invoice generator to maintain consistent revenue records across years for accurate YoY analysis.
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Common questions about Year-over-Year Growth Calculator: Calculate YoY Performance Change on Tez Invoice.
YoY growth compares a metric in the current year to the same metric in the same period last year.
(Current year value minus previous year value) divided by previous year value, times 100.
Yes. Free with no sign up.
YoY eliminates seasonal variation by comparing the same period across years.
Startups may target 100%+ YoY. Established businesses typically target 10-30% YoY growth.
Yes. Free with no sign up and no usage limits.
Yes. Fully responsive.
No. In-browser processing only.
Yes. Designed for small businesses and freelancers.
Use the free Invoice Generator on Tez Invoice.