-98.8% is the change from 996 to 12
Calculation steps:
[( 12 - 996 ) ÷ 996] x 100 = -98.8%
Formula
Percentage change = [(12 - 996) / 996] x 100
Subtract the new number by the original number
12 - 996 = -984
-984 ÷ 996 = -0.9879518072289156
-0.9879518072289156 x 100 = -98.8%