151.47% is the change from 136 to 342
Calculation steps:
[( 342 - 136 ) ÷ 136] x 100 = 151.47%
Formula
Percentage change = [(342 - 136) / 136] x 100
Subtract the new number by the original number
342 - 136 = 206
206 ÷ 136 = 1.5147058823529411
1.5147058823529411 x 100 = 151.47%