-3.74% is the change from 748 to 720
Calculation steps:
[( 720 - 748 ) ÷ 748] x 100 = -3.74%
Formula
Percentage change = [(720 - 748) / 748] x 100
Subtract the new number by the original number
720 - 748 = -28
-28 ÷ 748 = -0.0374331550802139
-0.0374331550802139 x 100 = -3.74%