27.21% is the change from 136 to 173
Calculation steps:
[( 173 - 136 ) ÷ 136] x 100 = 27.21%
Formula
Percentage change = [(173 - 136) / 136] x 100
Subtract the new number by the original number
173 - 136 = 37
37 ÷ 136 = 0.27205882352941174
0.27205882352941174 x 100 = 27.21%