-63.64% is the change from 704 to 256
Calculation steps:
[( 256 - 704 ) ÷ 704] x 100 = -63.64%
Formula
Percentage change = [(256 - 704) / 704] x 100
Subtract the new number by the original number
256 - 704 = -448
-448 ÷ 704 = -0.6363636363636364
-0.6363636363636364 x 100 = -63.64%