-63.21% is the change from 723 to 266
Calculation steps:
[( 266 - 723 ) ÷ 723] x 100 = -63.21%
Formula
Percentage change = [(266 - 723) / 723] x 100
Subtract the new number by the original number
266 - 723 = -457
-457 ÷ 723 = -0.632088520055325
-0.632088520055325 x 100 = -63.21%