-9.83% is the change from 997 to 899
Calculation steps:
[( 899 - 997 ) ÷ 997] x 100 = -9.83%
Formula
Percentage change = [(899 - 997) / 997] x 100
Subtract the new number by the original number
899 - 997 = -98
-98 ÷ 997 = -0.09829488465396188
-0.09829488465396188 x 100 = -9.83%