-78.12% is the change from 873 to 191
Calculation steps:
[( 191 - 873 ) ÷ 873] x 100 = -78.12%
Formula
Percentage change = [(191 - 873) / 873] x 100
Subtract the new number by the original number
191 - 873 = -682
-682 ÷ 873 = -0.7812142038946163
-0.7812142038946163 x 100 = -78.12%