-97.72% is the change from 395 to 9
Calculation steps:
[( 9 - 395 ) ÷ 395] x 100 = -97.72%
Formula
Percentage change = [(9 - 395) / 395] x 100
Subtract the new number by the original number
9 - 395 = -386
-386 ÷ 395 = -0.9772151898734177
-0.9772151898734177 x 100 = -97.72%