258.82% is the change from 136 to 488
Calculation steps:
[( 488 - 136 ) ÷ 136] x 100 = 258.82%
Formula
Percentage change = [(488 - 136) / 136] x 100
Subtract the new number by the original number
488 - 136 = 352
352 ÷ 136 = 2.588235294117647
2.588235294117647 x 100 = 258.82%