40.18% is the change from 341 to 478
Calculation steps:
[( 478 - 341 ) ÷ 341] x 100 = 40.18%
Formula
Percentage change = [(478 - 341) / 341] x 100
Subtract the new number by the original number
478 - 341 = 137
137 ÷ 341 = 0.40175953079178883
0.40175953079178883 x 100 = 40.18%