72.06% is the change from 136 to 234
Calculation steps:
[( 234 - 136 ) ÷ 136] x 100 = 72.06%
Formula
Percentage change = [(234 - 136) / 136] x 100
Subtract the new number by the original number
234 - 136 = 98
98 ÷ 136 = 0.7205882352941176
0.7205882352941176 x 100 = 72.06%