-97.87% is the change from 704 to 15
Calculation steps:
[( 15 - 704 ) ÷ 704] x 100 = -97.87%
Formula
Percentage change = [(15 - 704) / 704] x 100
Subtract the new number by the original number
15 - 704 = -689
-689 ÷ 704 = -0.9786931818181818
-0.9786931818181818 x 100 = -97.87%