-99.16% is the change from 479 to 4
Calculation steps:
[( 4 - 479 ) ÷ 479] x 100 = -99.16%
Formula
Percentage change = [(4 - 479) / 479] x 100
Subtract the new number by the original number
4 - 479 = -475
-475 ÷ 479 = -0.9916492693110647
-0.9916492693110647 x 100 = -99.16%