-5.65% is the change from 868 to 819
Calculation steps:
[( 819 - 868 ) ÷ 868] x 100 = -5.65%
Formula
Percentage change = [(819 - 868) / 868] x 100
Subtract the new number by the original number
819 - 868 = -49
-49 ÷ 868 = -0.056451612903225805
-0.056451612903225805 x 100 = -5.65%