-93.06% is the change from 879 to 61
Calculation steps:
[( 61 - 879 ) ÷ 879] x 100 = -93.06%
Formula
Percentage change = [(61 - 879) / 879] x 100
Subtract the new number by the original number
61 - 879 = -818
-818 ÷ 879 = -0.9306029579067122
-0.9306029579067122 x 100 = -93.06%