40.83% is the change from 338 to 476
Calculation steps:
[( 476 - 338 ) ÷ 338] x 100 = 40.83%
Formula
Percentage change = [(476 - 338) / 338] x 100
Subtract the new number by the original number
476 - 338 = 138
138 ÷ 338 = 0.40828402366863903
0.40828402366863903 x 100 = 40.83%