-3.79% is the change from 475 to 457
Calculation steps:
[( 457 - 475 ) ÷ 475] x 100 = -3.79%
Formula
Percentage change = [(457 - 475) / 475] x 100
Subtract the new number by the original number
457 - 475 = -18
-18 ÷ 475 = -0.037894736842105266
-0.037894736842105266 x 100 = -3.79%