-3.38% is the change from 473 to 457
Calculation steps:
[( 457 - 473 ) ÷ 473] x 100 = -3.38%
Formula
Percentage change = [(457 - 473) / 473] x 100
Subtract the new number by the original number
457 - 473 = -16
-16 ÷ 473 = -0.03382663847780127
-0.03382663847780127 x 100 = -3.38%