-43.99% is the change from 998 to 559
Calculation steps:
[( 559 - 998 ) ÷ 998] x 100 = -43.99%
Formula
Percentage change = [(559 - 998) / 998] x 100
Subtract the new number by the original number
559 - 998 = -439
-439 ÷ 998 = -0.43987975951903807
-0.43987975951903807 x 100 = -43.99%