-96.93% is the change from 879 to 27
Calculation steps:
[( 27 - 879 ) ÷ 879] x 100 = -96.93%
Formula
Percentage change = [(27 - 879) / 879] x 100
Subtract the new number by the original number
27 - 879 = -852
-852 ÷ 879 = -0.9692832764505119
-0.9692832764505119 x 100 = -96.93%