-97.72% is the change from 745 to 17
Calculation steps:
[( 17 - 745 ) ÷ 745] x 100 = -97.72%
Formula
Percentage change = [(17 - 745) / 745] x 100
Subtract the new number by the original number
17 - 745 = -728
-728 ÷ 745 = -0.9771812080536912
-0.9771812080536912 x 100 = -97.72%