-99.77% is the change from 879 to 2
Calculation steps:
[( 2 - 879 ) ÷ 879] x 100 = -99.77%
Formula
Percentage change = [(2 - 879) / 879] x 100
Subtract the new number by the original number
2 - 879 = -877
-877 ÷ 879 = -0.9977246871444824
-0.9977246871444824 x 100 = -99.77%