-64.15% is the change from 714 to 256
Calculation steps:
[( 256 - 714 ) ÷ 714] x 100 = -64.15%
Formula
Percentage change = [(256 - 714) / 714] x 100
Subtract the new number by the original number
256 - 714 = -458
-458 ÷ 714 = -0.6414565826330533
-0.6414565826330533 x 100 = -64.15%