How to Calculate Total Sales for Specific Date

ADSL the relationship between date table and order table is on the month column which is always showing the 1st day of the month, first you need to change that relationship and also update the measure as shown below

Total Sales Day 01 - 25  = 

 SUMX ( 
    VALUES ( 'Date'[MonthnYear] ),
    VAR __date = CALCULATE ( MAX ( 'Date'[Date] ) )
    VAR __startDate = EOMONTH ( __date, -1 ) + 1
    VAR __endDate = DATE ( YEAR ( __date ), MONTH ( __date ), 25 )
RETURN
    CALCULATE (
        SUM('Order'[Amount No VAT]),
        DATESBETWEEN ( 'Date'[Date], __startDate, __endDate )
    )
)

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