-97.82% is the change from 873 to 19
Calculation steps:
[( 19 - 873 ) ÷ 873] x 100 = -97.82%
Formula
Percentage change = [(19 - 873) / 873] x 100
Subtract the new number by the original number
19 - 873 = -854
-854 ÷ 873 = -0.9782359679266895
-0.9782359679266895 x 100 = -97.82%