152.21% is the change from 136 to 343
Calculation steps:
[( 343 - 136 ) ÷ 136] x 100 = 152.21%
Formula
Percentage change = [(343 - 136) / 136] x 100
Subtract the new number by the original number
343 - 136 = 207
207 ÷ 136 = 1.5220588235294117
1.5220588235294117 x 100 = 152.21%