4.39% is the change from 342 to 357
Calculation steps:
[( 357 - 342 ) ÷ 342] x 100 = 4.39%
Formula
Percentage change = [(357 - 342) / 342] x 100
Subtract the new number by the original number
357 - 342 = 15
15 ÷ 342 = 0.043859649122807015
0.043859649122807015 x 100 = 4.39%