72.57% is the change from 226 to 390
Calculation steps:
[( 390 - 226 ) ÷ 226] x 100 = 72.57%
Formula
Percentage change = [(390 - 226) / 226] x 100
Subtract the new number by the original number
390 - 226 = 164
164 ÷ 226 = 0.7256637168141593
0.7256637168141593 x 100 = 72.57%