-11.76% is the change from 723 to 638
Calculation steps:
[( 638 - 723 ) ÷ 723] x 100 = -11.76%
Formula
Percentage change = [(638 - 723) / 723] x 100
Subtract the new number by the original number
638 - 723 = -85
-85 ÷ 723 = -0.11756569847856155
-0.11756569847856155 x 100 = -11.76%