-8.72% is the change from 998 to 911
Calculation steps:
[( 911 - 998 ) ÷ 998] x 100 = -8.72%
Formula
Percentage change = [(911 - 998) / 998] x 100
Subtract the new number by the original number
911 - 998 = -87
-87 ÷ 998 = -0.0871743486973948
-0.0871743486973948 x 100 = -8.72%