-97.02% is the change from 704 to 21
Calculation steps:
[( 21 - 704 ) ÷ 704] x 100 = -97.02%
Formula
Percentage change = [(21 - 704) / 704] x 100
Subtract the new number by the original number
21 - 704 = -683
-683 ÷ 704 = -0.9701704545454546
-0.9701704545454546 x 100 = -97.02%