375.74% is the change from 136 to 647
Calculation steps:
[( 647 - 136 ) ÷ 136] x 100 = 375.74%
Formula
Percentage change = [(647 - 136) / 136] x 100
Subtract the new number by the original number
647 - 136 = 511
511 ÷ 136 = 3.7573529411764706
3.7573529411764706 x 100 = 375.74%