236.03% is the change from 136 to 457
Calculation steps:
[( 457 - 136 ) ÷ 136] x 100 = 236.03%
Formula
Percentage change = [(457 - 136) / 136] x 100
Subtract the new number by the original number
457 - 136 = 321
321 ÷ 136 = 2.360294117647059
2.360294117647059 x 100 = 236.03%