305.15% is the change from 136 to 551
Calculation steps:
[( 551 - 136 ) ÷ 136] x 100 = 305.15%
Formula
Percentage change = [(551 - 136) / 136] x 100
Subtract the new number by the original number
551 - 136 = 415
415 ÷ 136 = 3.051470588235294
3.051470588235294 x 100 = 305.15%