64.71% is the change from 136 to 224
Calculation steps:
[( 224 - 136 ) ÷ 136] x 100 = 64.71%
Formula
Percentage change = [(224 - 136) / 136] x 100
Subtract the new number by the original number
224 - 136 = 88
88 ÷ 136 = 0.6470588235294118
0.6470588235294118 x 100 = 64.71%