-98.7% is the change from 693 to 9
Calculation steps:
[( 9 - 693 ) ÷ 693] x 100 = -98.7%
Formula
Percentage change = [(9 - 693) / 693] x 100
Subtract the new number by the original number
9 - 693 = -684
-684 ÷ 693 = -0.987012987012987
-0.987012987012987 x 100 = -98.7%