The equation for growth percentage is:

*[(2018 revenue / 2015 revenue) - 1] x 100 = total growth percentage*

For example, if 2015 revenue was €3 million and 2018 revenue is €15 million:

*€15 million / €3 million = 5*

*5 - 1 = 4*

*4 x 100 = 400*

*Growth rate is 400 percent.*