-7.83% is the change from 868 to 800
Calculation steps:
[( 800 - 868 ) ÷ 868] x 100 = -7.83%
Formula
Percentage change = [(800 - 868) / 868] x 100
Subtract the new number by the original number
800 - 868 = -68
-68 ÷ 868 = -0.07834101382488479
-0.07834101382488479 x 100 = -7.83%