-82.86% is the change from 496 to 85
Calculation steps:
[( 85 - 496 ) ÷ 496] x 100 = -82.86%
Formula
Percentage change = [(85 - 496) / 496] x 100
Subtract the new number by the original number
85 - 496 = -411
-411 ÷ 496 = -0.8286290322580645
-0.8286290322580645 x 100 = -82.86%