71.57% is the change from 204 to 350
Calculation steps:
[( 350 - 204 ) ÷ 204] x 100 = 71.57%
Formula
Percentage change = [(350 - 204) / 204] x 100
Subtract the new number by the original number
350 - 204 = 146
146 ÷ 204 = 0.7156862745098039
0.7156862745098039 x 100 = 71.57%