-97.56% is the change from 697 to 17
Calculation steps:
[( 17 - 697 ) ÷ 697] x 100 = -97.56%
Formula
Percentage change = [(17 - 697) / 697] x 100
Subtract the new number by the original number
17 - 697 = -680
-680 ÷ 697 = -0.975609756097561
-0.975609756097561 x 100 = -97.56%