71.81% is the change from 227 to 390
Calculation steps:
[( 390 - 227 ) ÷ 227] x 100 = 71.81%
Formula
Percentage change = [(390 - 227) / 227] x 100
Subtract the new number by the original number
390 - 227 = 163
163 ÷ 227 = 0.7180616740088106
0.7180616740088106 x 100 = 71.81%