-6.81% is the change from 998 to 930
Calculation steps:
[( 930 - 998 ) ÷ 998] x 100 = -6.81%
Formula
Percentage change = [(930 - 998) / 998] x 100
Subtract the new number by the original number
930 - 998 = -68
-68 ÷ 998 = -0.06813627254509018
-0.06813627254509018 x 100 = -6.81%