-76.06% is the change from 873 to 209
Calculation steps:
[( 209 - 873 ) ÷ 873] x 100 = -76.06%
Formula
Percentage change = [(209 - 873) / 873] x 100
Subtract the new number by the original number
209 - 873 = -664
-664 ÷ 873 = -0.7605956471935853
-0.7605956471935853 x 100 = -76.06%