369.12% is the change from 136 to 638
Calculation steps:
[( 638 - 136 ) ÷ 136] x 100 = 369.12%
Formula
Percentage change = [(638 - 136) / 136] x 100
Subtract the new number by the original number
638 - 136 = 502
502 ÷ 136 = 3.6911764705882355
3.6911764705882355 x 100 = 369.12%