-99.31% is the change from 867 to 6
Calculation steps:
[( 6 - 867 ) ÷ 867] x 100 = -99.31%
Formula
Percentage change = [(6 - 867) / 867] x 100
Subtract the new number by the original number
6 - 867 = -861
-861 ÷ 867 = -0.9930795847750865
-0.9930795847750865 x 100 = -99.31%