-98.61% is the change from 865 to 12
Calculation steps:
[( 12 - 865 ) ÷ 865] x 100 = -98.61%
Formula
Percentage change = [(12 - 865) / 865] x 100
Subtract the new number by the original number
12 - 865 = -853
-853 ÷ 865 = -0.9861271676300578
-0.9861271676300578 x 100 = -98.61%