16.96% is the change from 342 to 400
Calculation steps:
[( 400 - 342 ) ÷ 342] x 100 = 16.96%
Formula
Percentage change = [(400 - 342) / 342] x 100
Subtract the new number by the original number
400 - 342 = 58
58 ÷ 342 = 0.1695906432748538
0.1695906432748538 x 100 = 16.96%