1. Divide the final value by the initial value to find the overall rate of increase. For example, if the value of the company grew from $120,000 to $270,000 over 10 years, you would
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1 Obtain data that shows a change in a quantity over time. All you need to calculate a basic growth rate are two numbers  one that represents a certain quantity's starting value
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To get yearly growth rate based on weekly growth rate, you use the exponential growth equation: xt is the growth after t time periods. x0 is the initial value (1 in this case) r is
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((current month's sales  last month's sales)/last month's sales)x100
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