-99.24% is the change from 396 to 3
Calculation steps:
[( 3 - 396 ) ÷ 396] x 100 = -99.24%
Formula
Percentage change = [(3 - 396) / 396] x 100
Subtract the new number by the original number
3 - 396 = -393
-393 ÷ 396 = -0.9924242424242424
-0.9924242424242424 x 100 = -99.24%