-0.34% is the change from 879 to 876
Calculation steps:
[( 876 - 879 ) ÷ 879] x 100 = -0.34%
Formula
Percentage change = [(876 - 879) / 879] x 100
Subtract the new number by the original number
876 - 879 = -3
-3 ÷ 879 = -0.0034129692832764505
-0.0034129692832764505 x 100 = -0.34%