Revenue Growth Rate Calculator
Period-over-period revenue growth.
Calculate revenue growth rate between two periods, expressed both as a percentage and as a multiple of the prior period's number.
What this tool does
# New Description (110-130 words) This calculator computes the period-over-period revenue growth rate, showing what percentage your revenue has increased or decreased between two time periods. It divides the change in revenue by the starting revenue and expresses the result as a percentage. The tool returns both the growth rate percentage and the absolute change in revenue between periods, giving you two views of the same movement. The growth rate is driven entirely by how much revenue changed relative to the previous period—larger changes produce larger percentage shifts. This calculation works for any time interval: month-to-month, quarter-to-quarter, or year-to-year comparisons. A typical use case is tracking business performance across consecutive fiscal periods. The result is a snapshot for a single interval and does not account for seasonality, external factors, or trends across multiple periods. This tool is for educational illustration and historical comparison only.
Quick answer: with the default values, the result is 20.00% (Revenue Growth Rate). Adjust the values below for your own figures.
Enter Values
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Formula Used
Spotted something off?
Calculations or display — let us know.
Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Revenue growth rate is the percentage change between two periods. Calculate it as (current - previous) ÷ previous × 100. It's the headline metric for growth businesses and the primary input to valuation for SaaS and technology companies. 40%+ annual growth at 10M+ scale is exceptional; 20-30% is strong; 10-20% is solid; below 10% is mature; negative is shrinking.
12M current revenue vs 10M previous = 20% growth. Healthy. But interpretation depends on stage: 20% growth for a 1M startup is disappointing (growing from low base should be easier); 20% growth for a 100M enterprise is excellent (scale makes sustained growth hard). Growth makes more sense in the context of stage and industry.
Rule of Large Numbers: growth slows as businesses scale. A 10M company growing 50% needs to add 5M in a year. A 1B company growing 50% needs 500M - exponentially harder. Most businesses decelerate predictably through revenue bands: 0-10M can grow 100%+, 10-100M can do 40-70%, 100M-1B does 25-40%, >1B does 15-25%.
Run it with sensible defaults
Using current period revenue of 12,000,000, previous period revenue of 10,000,000, the calculation works out to 20.00%. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — Current Period Revenue and Previous Period Revenue — do not pull with equal force. The rate and the time horizon usually dominate — compounding means a small change in either reshapes the final figure more than a similar shift in contribution size. Test this by doubling one input at a time.
How the math works
Growth rate = (current - previous) ÷ previous × 100.
Reading a low result
A disappointing result is information, not a judgement. The input that dragged the figure down most is usually where a single change has the largest effect, since depth on the worst input tends to move the result more than spreading effort across every input at once.
What this doesn't capture
The result reflects only the inputs you provide and the assumptions built into the formula. It is a simplified model rather than a complete picture, and factors specific to your situation may matter just as much.
(£12,000,000 - £10,000,000) ÷ £10,000,000 × 100 = 20.00%.
Inputs
| Absolute Growth | $2,000,000.00 |
|---|---|
| Current Revenue | $12,000,000.00 |
| Previous Revenue | $10,000,000.00 |
| Growth Quality | Strong |
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
This calculator computes the period-over-period revenue growth rate as a percentage. It subtracts the previous period's revenue from the current period's revenue, divides the result by the previous period's revenue, then multiplies by 100 to express the outcome as a percentage. The model assumes revenue figures are accurate and comparable across both periods, with no adjustments for inflation, seasonality, or other external factors. It treats growth as a simple rate of change between two fixed points in time and does not account for the timing of revenue within each period, changes in business scale, cost structures, or market conditions. The calculator provides a snapshot of growth direction and magnitude but should be contextualised alongside other business metrics and qualitative factors.
References
Frequently Asked Questions
Year-over-year or quarter-over-quarter?
What's a good growth rate at different scales?
How do I handle currency effects?
Organic vs inorganic growth?
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