-97.98% is the change from 446 to 9
Calculation steps:
[( 9 - 446 ) ÷ 446] x 100 = -97.98%
Formula
Percentage change = [(9 - 446) / 446] x 100
Subtract the new number by the original number
9 - 446 = -437
-437 ÷ 446 = -0.9798206278026906
-0.9798206278026906 x 100 = -97.98%