39.18% is the change from 342 to 476
Calculation steps:
[( 476 - 342 ) ÷ 342] x 100 = 39.18%
Formula
Percentage change = [(476 - 342) / 342] x 100
Subtract the new number by the original number
476 - 342 = 134
134 ÷ 342 = 0.391812865497076
0.391812865497076 x 100 = 39.18%