-97.92% is the change from 865 to 18
Calculation steps:
[( 18 - 865 ) ÷ 865] x 100 = -97.92%
Formula
Percentage change = [(18 - 865) / 865] x 100
Subtract the new number by the original number
18 - 865 = -847
-847 ÷ 865 = -0.9791907514450867
-0.9791907514450867 x 100 = -97.92%