304.41% is the change from 136 to 550
Calculation steps:
[( 550 - 136 ) ÷ 136] x 100 = 304.41%
Formula
Percentage change = [(550 - 136) / 136] x 100
Subtract the new number by the original number
550 - 136 = 414
414 ÷ 136 = 3.0441176470588234
3.0441176470588234 x 100 = 304.41%