-96.97% is the change from 396 to 12
Calculation steps:
[( 12 - 396 ) ÷ 396] x 100 = -96.97%
Formula
Percentage change = [(12 - 396) / 396] x 100
Subtract the new number by the original number
12 - 396 = -384
-384 ÷ 396 = -0.9696969696969697
-0.9696969696969697 x 100 = -96.97%