Getting data for last week Monday - Sunday in Powerbi

Anonymous , please do necessary modifications

new columns
Week Start date = 'Date'[Date]+-1*WEEKDAY('Date'[Date],2)+1

Week End date = 'Date'[Date]+ 7-1*WEEKDAY('Date'[Date],2)

Week Rank = RANKX(all('Date'),'Date'[Week Start date],,ASC,Dense)

measures
This Week = CALCULATE(sum('order'[Qty]), FILTER(ALL('Date'),'Date'[Week Rank]=max('Date'[Week Rank])))
Last Week = CALCULATE(sum('order'[Qty]), FILTER(ALL('Date'),'Date'[Week Rank]=max('Date'[Week Rank])-1))
Last year Week= CALCULATE(sum('order'[Qty]), FILTER(ALL('Date'),'Date'[Week Rank]=(max('Date'[Week Rank]) -52)))
Last 8 weeks = CALCULATE(sum('order'[Qty]), FILTER(ALL('Date'),'Date'[Week Rank]>=max('Date'[Week Rank])-8 && 'Date'[Week Rank]<=max('Date'[Week Rank])))
last two weeks = CALCULATE(sum('order'[Qty]), FILTER(ALL('Date'),'Date'[Week Rank]<=max('Date'[Week Rank])-1
&& 'Date'[Week Rank]>=max('Date'[Week Rank])-3))