-64.73% is the change from 723 to 255
Calculation steps:
[( 255 - 723 ) ÷ 723] x 100 = -64.73%
Formula
Percentage change = [(255 - 723) / 723] x 100
Subtract the new number by the original number
255 - 723 = -468
-468 ÷ 723 = -0.6473029045643154
-0.6473029045643154 x 100 = -64.73%