-97.98% is the change from 496 to 10
Calculation steps:
[( 10 - 496 ) ÷ 496] x 100 = -97.98%
Formula
Percentage change = [(10 - 496) / 496] x 100
Subtract the new number by the original number
10 - 496 = -486
-486 ÷ 496 = -0.9798387096774194
-0.9798387096774194 x 100 = -97.98%