-0.68% is the change from 879 to 873
Calculation steps:
[( 873 - 879 ) ÷ 879] x 100 = -0.68%
Formula
Percentage change = [(873 - 879) / 879] x 100
Subtract the new number by the original number
873 - 879 = -6
-6 ÷ 879 = -0.006825938566552901
-0.006825938566552901 x 100 = -0.68%