Year-Over-Year (YoY) Definition & Examples

Year-Over-Year (YoY) Definition Year-Over-Year (YoY) is a widely used financial comparison term that evaluates the change in a particular data point, such as revenue, earnings, or investment returns, across the same period in adjacent years.

This metric allows analysts, investors, and companies to assess growth, performance trends, and cyclical patterns within the business or market. This method facilitates straight-forward comparisons and helps in identifying long-term trends, making it an essential tool for financial analysis and planning.

How To Calculate Year-Over-Year (YoY): Step-by-Step The formula to calculate Year-over-Year (YoY) is the current year’s value divided by the previous year’s value minus one.

Step 1: Collect Data for Both Periods Step 3: Calculate the Difference Step 4: Divide the Difference by the Previous Period’s Metric Step 5: Convert to Percentage Example Calculation: If a retail business made $150,000 in sales in Q1 2024 and $130,000 in sales during Q1 2023, the YoY growth calculation would be: Collect Data: Year 1: Q1 2023: 130,000, Year 2: Q1 2024: $150,000 Difference = $150,000 (Year 2) – $130,000 (Year 1) = $20,000 Divide the Difference by the…