how do you calculate growth rate 
a growth rate can be calculated by dividing the difference between the ending and starting values for the period being analyzed and dividing that by the starting value the growth rate formula is current year base year base year the base year represents the starting point from which to determine growth 3the bottom linebase years are used in economic and financial indexes as well as to measure the growth of a company the base year chosen depends on the analysis being conducted when researching stocks investors can conduct a base year analysis to track a company s growth or lack of as part of research to determine whether or not they should invest in it 