23.39% is the change from 342 to 422
Calculation steps:
[( 422 - 342 ) ÷ 342] x 100 = 23.39%
Formula
Percentage change = [(422 - 342) / 342] x 100
Subtract the new number by the original number
422 - 342 = 80
80 ÷ 342 = 0.23391812865497075
0.23391812865497075 x 100 = 23.39%