-9.51% is the change from 473 to 428
Calculation steps:
[( 428 - 473 ) ÷ 473] x 100 = -9.51%
Formula
Percentage change = [(428 - 473) / 473] x 100
Subtract the new number by the original number
428 - 473 = -45
-45 ÷ 473 = -0.09513742071881606
-0.09513742071881606 x 100 = -9.51%