-64.59% is the change from 723 to 256
Calculation steps:
[( 256 - 723 ) ÷ 723] x 100 = -64.59%
Formula
Percentage change = [(256 - 723) / 723] x 100
Subtract the new number by the original number
256 - 723 = -467
-467 ÷ 723 = -0.6459197786998617
-0.6459197786998617 x 100 = -64.59%