-88.28% is the change from 478 to 56
Calculation steps:
[( 56 - 478 ) ÷ 478] x 100 = -88.28%
Formula
Percentage change = [(56 - 478) / 478] x 100
Subtract the new number by the original number
56 - 478 = -422
-422 ÷ 478 = -0.8828451882845189
-0.8828451882845189 x 100 = -88.28%