-81.21% is the change from 873 to 164
Calculation steps:
[( 164 - 873 ) ÷ 873] x 100 = -81.21%
Formula
Percentage change = [(164 - 873) / 873] x 100
Subtract the new number by the original number
164 - 873 = -709
-709 ÷ 873 = -0.8121420389461627
-0.8121420389461627 x 100 = -81.21%