-97.51% is the change from 683 to 17
Calculation steps:
[( 17 - 683 ) ÷ 683] x 100 = -97.51%
Formula
Percentage change = [(17 - 683) / 683] x 100
Subtract the new number by the original number
17 - 683 = -666
-666 ÷ 683 = -0.9751098096632503
-0.9751098096632503 x 100 = -97.51%