-97.7% is the change from 739 to 17
Calculation steps:
[( 17 - 739 ) ÷ 739] x 100 = -97.7%
Formula
Percentage change = [(17 - 739) / 739] x 100
Subtract the new number by the original number
17 - 739 = -722
-722 ÷ 739 = -0.9769959404600812
-0.9769959404600812 x 100 = -97.7%