-3.2% is the change from 750 to 726
Calculation steps:
[( 726 - 750 ) ÷ 750] x 100 = -3.2%
Formula
Percentage change = [(726 - 750) / 750] x 100
Subtract the new number by the original number
726 - 750 = -24
-24 ÷ 750 = -0.032
-0.032 x 100 = -3.2%
Example