-98.78% is the change from 737 to 9
Calculation steps:
[( 9 - 737 ) ÷ 737] x 100 = -98.78%
Formula
Percentage change = [(9 - 737) / 737] x 100
Subtract the new number by the original number
9 - 737 = -728
-728 ÷ 737 = -0.9877883310719131
-0.9877883310719131 x 100 = -98.78%