251.47% is the change from 136 to 478
Calculation steps:
[( 478 - 136 ) ÷ 136] x 100 = 251.47%
Formula
Percentage change = [(478 - 136) / 136] x 100
Subtract the new number by the original number
478 - 136 = 342
342 ÷ 136 = 2.514705882352941
2.514705882352941 x 100 = 251.47%