23.98% is the change from 342 to 424
Calculation steps:
[( 424 - 342 ) ÷ 342] x 100 = 23.98%
Formula
Percentage change = [(424 - 342) / 342] x 100
Subtract the new number by the original number
424 - 342 = 82
82 ÷ 342 = 0.23976608187134502
0.23976608187134502 x 100 = 23.98%