-98.73% is the change from 867 to 11
Calculation steps:
[( 11 - 867 ) ÷ 867] x 100 = -98.73%
Formula
Percentage change = [(11 - 867) / 867] x 100
Subtract the new number by the original number
11 - 867 = -856
-856 ÷ 867 = -0.9873125720876585
-0.9873125720876585 x 100 = -98.73%