-9.82% is the change from 998 to 900
Calculation steps:
[( 900 - 998 ) ÷ 998] x 100 = -9.82%
Formula
Percentage change = [(900 - 998) / 998] x 100
Subtract the new number by the original number
900 - 998 = -98
-98 ÷ 998 = -0.09819639278557114
-0.09819639278557114 x 100 = -9.82%