Calculation should not change based on filter selection

[ys034]

Hello community I am learning DAX new recently,

I have a question about ignoring a calculation based on the filter criteria
As you can see on the picture the market shares are calculated correctly.
When I select Brand a it shows me 100% but I want it to show me 35% like in the first picture.

My Measure:  

Grand Total Sales = CALCULATE(SUMX(VALUES('DataTable'),'DataTable'[Sales]),filter(ALLSELECTED('DataTable'), 'DataTable'[Date].[Year] = max('DataTable'[Date].[Year])),FILTER(ALLSELECTED('DataTable'),'DataTable'[Country] = MAX('DataTable'[Country])))

MarketShare = CALCULATE([Total Sales]/[Grand Total Sales])

I would be very happy about an answer

[ys034]

@amitchandak thank you very much now it works!

[amitchandak · Accepted solution]

@ys034 , Try

CALCULATE(SUMX(VALUES('DataTable'),'DataTable'[Sales]),filter(ALLSELECTED('DataTable'))

or

Grand Total Sales = CALCULATE(SUMX(VALUES('DataTable'),'DataTable'[Sales]),filter(ALL('DataTable'), 'DataTable'[Date].[Year] = max('DataTable'[Date].[Year])),FILTER(ALLSELECTED('DataTable'),'DataTable'[Country] = MAX('DataTable'[Country])))