4.18% is the change from 455 to 474
Calculation steps:
[( 474 - 455 ) ÷ 455] x 100 = 4.18%
Formula
Percentage change = [(474 - 455) / 455] x 100
Subtract the new number by the original number
474 - 455 = 19
19 ÷ 455 = 0.041758241758241756
0.041758241758241756 x 100 = 4.18%