-98.59% is the change from 854 to 12
Calculation steps:
[( 12 - 854 ) ÷ 854] x 100 = -98.59%
Formula
Percentage change = [(12 - 854) / 854] x 100
Subtract the new number by the original number
12 - 854 = -842
-842 ÷ 854 = -0.9859484777517564
-0.9859484777517564 x 100 = -98.59%