-10.04% is the change from 478 to 430
Calculation steps:
[( 430 - 478 ) ÷ 478] x 100 = -10.04%
Formula
Percentage change = [(430 - 478) / 478] x 100
Subtract the new number by the original number
430 - 478 = -48
-48 ÷ 478 = -0.100418410041841
-0.100418410041841 x 100 = -10.04%