-98.99% is the change from 396 to 4
Calculation steps:
[( 4 - 396 ) ÷ 396] x 100 = -98.99%
Formula
Percentage change = [(4 - 396) / 396] x 100
Subtract the new number by the original number
4 - 396 = -392
-392 ÷ 396 = -0.98989898989899
-0.98989898989899 x 100 = -98.99%