-80.53% is the change from 873 to 170
Calculation steps:
[( 170 - 873 ) ÷ 873] x 100 = -80.53%
Formula
Percentage change = [(170 - 873) / 873] x 100
Subtract the new number by the original number
170 - 873 = -703
-703 ÷ 873 = -0.8052691867124857
-0.8052691867124857 x 100 = -80.53%