138.6% is the change from 57 to 136
Calculation steps:
[( 136 - 57 ) ÷ 57] x 100 = 138.6%
Formula
Percentage change = [(136 - 57) / 57] x 100
Subtract the new number by the original number
136 - 57 = 79
79 ÷ 57 = 1.3859649122807018
1.3859649122807018 x 100 = 138.6%