120.65% is the change from 155 to 342
Calculation steps:
[( 342 - 155 ) ÷ 155] x 100 = 120.65%
Formula
Percentage change = [(342 - 155) / 155] x 100
Subtract the new number by the original number
342 - 155 = 187
187 ÷ 155 = 1.206451612903226
1.206451612903226 x 100 = 120.65%