can anyone help me in YOY growth by Monthly

[Srinivas3350]

AS i AM HAVING YoY growth table with fiscal calender where iam using this measure 

ASP Growth =

VAR CY = [REV]

VAR LY =

    CALCULATE(

        [REV],

        DATESBETWEEN('Table'[DATE],

        EDATE(MIN('Table'[DATE]),-12),

        EOMONTH(MAX('Table'[DATE]),-12)

        )

    )

        RETURN

     CY-LY

but it is not accurate for all months i have pointed some major differences it should calculate current  year month - PY month i dont what is the issue for some months the values are not accurate i am using fiscal calendar. can anyone help me this is an urgent for me

[Dangar332]

hi, @Srinivas3350 

try below

ASP Growth =
VAR CY = [REV]
VAR LY =
    CALCULATE(
        [REV],
        DATESBETWEEN('Table'[DATE],
        EDATE(MIN('Table'[DATE]),-13)+1,
        EOMONTH(MAX('Table'[DATE]),-12)

        )
    )
        RETURN
     CY-LY

[Srinivas904]

Hi @Dangar332 when i used your dax the values are coming completely differnt