-99.19% is the change from 496 to 4
Calculation steps:
[( 4 - 496 ) ÷ 496] x 100 = -99.19%
Formula
Percentage change = [(4 - 496) / 496] x 100
Subtract the new number by the original number
4 - 496 = -492
-492 ÷ 496 = -0.9919354838709677
-0.9919354838709677 x 100 = -99.19%