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Year over Year Growth

Year over Year (YoY) growth measures how fast a metric (typically ARR, MRR, or revenue) has grown in the past 12 months. This holds of quarterly aggregation: whatever month the current quarterly metric is as of (dependent on date aggregation and range), YoY growth will compare to 12 months prior. If looking at April 2023 YoY growth:

YoY Growth = (April 2023 ARR÷April 2022 ARR)1