-86.82% is the change from 478 to 63
Calculation steps:
[( 63 - 478 ) ÷ 478] x 100 = -86.82%
Formula
Percentage change = [(63 - 478) / 478] x 100
Subtract the new number by the original number
63 - 478 = -415
-415 ÷ 478 = -0.8682008368200836
-0.8682008368200836 x 100 = -86.82%