The decrease is the difference between the two prices:
[tex]decrease=4.75-4.60=0.15[/tex]And we have:
% decrease = decrease/initial price x 100
So:
[tex]=\frac{0.15}{4.75}\times100=0.0315\times100=3.15[/tex]Round to nearest one decimal: 3.2
Answer: 3.2%