-11.21% is the change from 473 to 420
Calculation steps:
[( 420 - 473 ) ÷ 473] x 100 = -11.21%
Formula
Percentage change = [(420 - 473) / 473] x 100
Subtract the new number by the original number
420 - 473 = -53
-53 ÷ 473 = -0.11205073995771671
-0.11205073995771671 x 100 = -11.21%