-99.66% is the change from 879 to 3
Calculation steps:
[( 3 - 879 ) ÷ 879] x 100 = -99.66%
Formula
Percentage change = [(3 - 879) / 879] x 100
Subtract the new number by the original number
3 - 879 = -876
-876 ÷ 879 = -0.9965870307167235
-0.9965870307167235 x 100 = -99.66%