3.8% is the change from 342 to 355
Calculation steps:
[( 355 - 342 ) ÷ 342] x 100 = 3.8%
Formula
Percentage change = [(355 - 342) / 342] x 100
Subtract the new number by the original number
355 - 342 = 13
13 ÷ 342 = 0.038011695906432746
0.038011695906432746 x 100 = 3.8%