-97.76% is the change from 401 to 9
Calculation steps:
[( 9 - 401 ) ÷ 401] x 100 = -97.76%
Formula
Percentage change = [(9 - 401) / 401] x 100
Subtract the new number by the original number
9 - 401 = -392
-392 ÷ 401 = -0.9775561097256857
-0.9775561097256857 x 100 = -97.76%