-59.32% is the change from 998 to 406
Calculation steps:
[( 406 - 998 ) ÷ 998] x 100 = -59.32%
Formula
Percentage change = [(406 - 998) / 998] x 100
Subtract the new number by the original number
406 - 998 = -592
-592 ÷ 998 = -0.593186372745491
-0.593186372745491 x 100 = -59.32%