-97.77% is the change from 404 to 9
Calculation steps:
[( 9 - 404 ) ÷ 404] x 100 = -97.77%
Formula
Percentage change = [(9 - 404) / 404] x 100
Subtract the new number by the original number
9 - 404 = -395
-395 ÷ 404 = -0.9777227722772277
-0.9777227722772277 x 100 = -97.77%