-51.8% is the change from 998 to 481
Calculation steps:
[( 481 - 998 ) ÷ 998] x 100 = -51.8%
Formula
Percentage change = [(481 - 998) / 998] x 100
Subtract the new number by the original number
481 - 998 = -517
-517 ÷ 998 = -0.5180360721442886
-0.5180360721442886 x 100 = -51.8%