24.56% is the change from 342 to 426
Calculation steps:
[( 426 - 342 ) ÷ 342] x 100 = 24.56%
Formula
Percentage change = [(426 - 342) / 342] x 100
Subtract the new number by the original number
426 - 342 = 84
84 ÷ 342 = 0.24561403508771928
0.24561403508771928 x 100 = 24.56%