-90.44% is the change from 868 to 83
Calculation steps:
[( 83 - 868 ) ÷ 868] x 100 = -90.44%
Formula
Percentage change = [(83 - 868) / 868] x 100
Subtract the new number by the original number
83 - 868 = -785
-785 ÷ 868 = -0.9043778801843319
-0.9043778801843319 x 100 = -90.44%