-86.74% is the change from 867 to 115
Calculation steps:
[( 115 - 867 ) ÷ 867] x 100 = -86.74%
Formula
Percentage change = [(115 - 867) / 867] x 100
Subtract the new number by the original number
115 - 867 = -752
-752 ÷ 867 = -0.8673587081891581
-0.8673587081891581 x 100 = -86.74%