-98.79% is the change from 496 to 6
Calculation steps:
[( 6 - 496 ) ÷ 496] x 100 = -98.79%
Formula
Percentage change = [(6 - 496) / 496] x 100
Subtract the new number by the original number
6 - 496 = -490
-490 ÷ 496 = -0.9879032258064516
-0.9879032258064516 x 100 = -98.79%