I have a personal finances / budget spreadsheet.
I have my categories of spend in rows, and a weekly breakdown of what was spent in that category in the columns.
A screen shot is attached.
I have created a column (B) to set my budgeted amount.
A screenshot is attached. OverBudget.PNG

I want to use conditional formatting (gradient fills) to show(highlight) amounts that are OVER the budgeted amount.
The higher the percentage over the budgeted amount is, the longer the fill.

What is the best way to do this please?