411.9% is the change from 42 to 215
Calculation steps:
[( 215 - 42 ) ÷ 42] x 100 = 411.9%
Formula
Percentage change = [(215 - 42) / 42] x 100
Subtract the new number by the original number
215 - 42 = 173
173 ÷ 42 = 4.119047619047619
4.119047619047619 x 100 = 411.9%