-0.4% is the change from 751 to 748
Calculation steps:
[( 748 - 751 ) ÷ 751] x 100 = -0.4%
Formula
Percentage change = [(748 - 751) / 751] x 100
Subtract the new number by the original number
748 - 751 = -3
-3 ÷ 751 = -0.0039946737683089215
-0.0039946737683089215 x 100 = -0.4%