73.53% is the change from 136 to 236
Calculation steps:
[( 236 - 136 ) ÷ 136] x 100 = 73.53%
Formula
Percentage change = [(236 - 136) / 136] x 100
Subtract the new number by the original number
236 - 136 = 100
100 ÷ 136 = 0.7352941176470589
0.7352941176470589 x 100 = 73.53%