69.12% is the change from 136 to 230
Calculation steps:
[( 230 - 136 ) ÷ 136] x 100 = 69.12%
Formula
Percentage change = [(230 - 136) / 136] x 100
Subtract the new number by the original number
230 - 136 = 94
94 ÷ 136 = 0.6911764705882353
0.6911764705882353 x 100 = 69.12%