34.65% is the change from 254 to 342
Calculation steps:
[( 342 - 254 ) ÷ 254] x 100 = 34.65%
Formula
Percentage change = [(342 - 254) / 254] x 100
Subtract the new number by the original number
342 - 254 = 88
88 ÷ 254 = 0.3464566929133858
0.3464566929133858 x 100 = 34.65%