-54.41% is the change from 998 to 455
Calculation steps:
[( 455 - 998 ) ÷ 998] x 100 = -54.41%
Formula
Percentage change = [(455 - 998) / 998] x 100
Subtract the new number by the original number
455 - 998 = -543
-543 ÷ 998 = -0.5440881763527055
-0.5440881763527055 x 100 = -54.41%