388.24% is the change from 136 to 664
Calculation steps:
[( 664 - 136 ) ÷ 136] x 100 = 388.24%
Formula
Percentage change = [(664 - 136) / 136] x 100
Subtract the new number by the original number
664 - 136 = 528
528 ÷ 136 = 3.8823529411764706
3.8823529411764706 x 100 = 388.24%