17.54% is the change from 342 to 402
Calculation steps:
[( 402 - 342 ) ÷ 342] x 100 = 17.54%
Formula
Percentage change = [(402 - 342) / 342] x 100
Subtract the new number by the original number
402 - 342 = 60
60 ÷ 342 = 0.17543859649122806
0.17543859649122806 x 100 = 17.54%