-73.65% is the change from 873 to 230
Calculation steps:
[( 230 - 873 ) ÷ 873] x 100 = -73.65%
Formula
Percentage change = [(230 - 873) / 873] x 100
Subtract the new number by the original number
230 - 873 = -643
-643 ÷ 873 = -0.736540664375716
-0.736540664375716 x 100 = -73.65%