3.51% is the change from 342 to 354
Calculation steps:
[( 354 - 342 ) ÷ 342] x 100 = 3.51%
Formula
Percentage change = [(354 - 342) / 342] x 100
Subtract the new number by the original number
354 - 342 = 12
12 ÷ 342 = 0.03508771929824561
0.03508771929824561 x 100 = 3.51%