-6.68% is the change from 868 to 810
Calculation steps:
[( 810 - 868 ) ÷ 868] x 100 = -6.68%
Formula
Percentage change = [(810 - 868) / 868] x 100
Subtract the new number by the original number
810 - 868 = -58
-58 ÷ 868 = -0.06682027649769585
-0.06682027649769585 x 100 = -6.68%