-8.12% is the change from 998 to 917
Calculation steps:
[( 917 - 998 ) ÷ 998] x 100 = -8.12%
Formula
Percentage change = [(917 - 998) / 998] x 100
Subtract the new number by the original number
917 - 998 = -81
-81 ÷ 998 = -0.0811623246492986
-0.0811623246492986 x 100 = -8.12%