-89.69% is the change from 999 to 103
Calculation steps:
[( 103 - 999 ) ÷ 999] x 100 = -89.69%
Formula
Percentage change = [(103 - 999) / 999] x 100
Subtract the new number by the original number
103 - 999 = -896
-896 ÷ 999 = -0.8968968968968969
-0.8968968968968969 x 100 = -89.69%