# How do I calculate sales growth?

To figure out sales growth, you need to know sales from this year and last year. You are going to divide that number (this year minus last year) by sales last year. That will give you sales growth results.
Q&A Related to "How do I calculate sales growth?"
 Things You'll Need. Sales for most current year (in dollars). Sales for initial year (in dollars). Calculator. Instructions. Subtract the earliest date's sales in dollars from the http://www.ehow.com/how_6109692_calculate-sales-gr...
 ((current month's sales - last month's sales)/last month's sales)x100 http://wiki.answers.com/Q/Is_a_sales_growth_rate_a...
 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 http://www.wikihow.com/Calculate-Growth-Rate
 1. Review the calculation for calculating sales tax. The calculation is: Gross Sales - Gross Sales divided by (1+ Tax Rate) 2. Determine your tax rate. This will depend on the state http://www.ehow.com/how_5911906_calculate-taxes-gr...