152.94% is the change from 136 to 344
Calculation steps:
[( 344 - 136 ) ÷ 136] x 100 = 152.94%
Formula
Percentage change = [(344 - 136) / 136] x 100
Subtract the new number by the original number
344 - 136 = 208
208 ÷ 136 = 1.5294117647058822
1.5294117647058822 x 100 = 152.94%