-98.86% is the change from 879 to 10
Calculation steps:
[( 10 - 879 ) ÷ 879] x 100 = -98.86%
Formula
Percentage change = [(10 - 879) / 879] x 100
Subtract the new number by the original number
10 - 879 = -869
-869 ÷ 879 = -0.9886234357224118
-0.9886234357224118 x 100 = -98.86%