-8.92% is the change from 998 to 909
Calculation steps:
[( 909 - 998 ) ÷ 998] x 100 = -8.92%
Formula
Percentage change = [(909 - 998) / 998] x 100
Subtract the new number by the original number
909 - 998 = -89
-89 ÷ 998 = -0.08917835671342686
-0.08917835671342686 x 100 = -8.92%