-5.07% is the change from 868 to 824
Calculation steps:
[( 824 - 868 ) ÷ 868] x 100 = -5.07%
Formula
Percentage change = [(824 - 868) / 868] x 100
Subtract the new number by the original number
824 - 868 = -44
-44 ÷ 868 = -0.05069124423963134
-0.05069124423963134 x 100 = -5.07%