Rank the past week of sales out of the past year

[clifford]

Hello, I'm looking to show only the past week of sales dates while showing the rank of that day's sales out of the past year. However when I limit the dimension to only show the past week it only ranks it out of five. Is there a way to only show the past week but still show the rank from the past year?

The sales dates I want to show:

How I want the ranks to look:

Current Dimension:

=if((weekname(sales_date)=weekname(now()-7)) and (weekday(sales_date)<5),sales_date)

Current Measure:

=Rank(sum({<sales_date={">=$(=vPastThreeMonthStartDate)<=$(=vMaxDatePastWeek)"}>}net_sales))

Thanks for you're help!