-56.53% is the change from 704 to 306
Calculation steps:
[( 306 - 704 ) ÷ 704] x 100 = -56.53%
Formula
Percentage change = [(306 - 704) / 704] x 100
Subtract the new number by the original number
306 - 704 = -398
-398 ÷ 704 = -0.5653409090909091
-0.5653409090909091 x 100 = -56.53%