Business calculators
Sales Growth Calculator
Compare current sales with a prior period and express the change as a percentage. Your inputs stay in this browser.
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What this calculator measures
Sales growth compares current revenue with a nonzero prior period and scales the difference by prior sales.
Formula
Growth % = ((Current Sales - Prior Sales) / Prior Sales) x 100
Inputs and variables
- Current-period sales
- Enter the money amount used by this formula.
- Prior-period sales
- Enter the money amount used by this formula.
How to use the calculator
- Choose a display currency when money fields are present.
- Enter values that cover the same period, scope, and currency.
- Review the result, formula, and worked example before using the estimate in a decision.
- Change one assumption at a time to understand what drives the result.
Worked example
- 1Sales rise from $100,000 to $125,000.
- 2$25,000 / $100,000 x 100 = 25% growth.
How to interpret the result
Use equivalent periods and consider inflation, acquisitions, currency, and seasonality.
Common mistakes and limits
- Comparing unequal periods, using a zero baseline, or interpreting revenue growth as profit growth.
Frequently asked questions
Can growth be negative?
Yes. Lower current sales produce a negative rate.
Why not allow zero prior sales?
Percentage growth from zero is undefined.
Should I compare year over year?
Year-over-year comparisons often reduce seasonal distortion.
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