-88.32% is the change from 873 to 102
Calculation steps:
[( 102 - 873 ) ÷ 873] x 100 = -88.32%
Formula
Percentage change = [(102 - 873) / 873] x 100
Subtract the new number by the original number
102 - 873 = -771
-771 ÷ 873 = -0.8831615120274914
-0.8831615120274914 x 100 = -88.32%