Adding columns in matrixI

Hi nithinsakhamuri ,

Please try below steps:

1. below is my test table:
Table:

2. create a measure with below dax formula

Measure =
IF (
    HASONEFILTER ( 'Table'[Calculation] ),
    CALCULATE (
        SUM ( 'Table'[Value] ),
        'Table'[Calculation] = SELECTEDVALUE ( 'Table'[Calculation] )
    ),
    SUMX (
        FILTER (
            ALL ( 'Table' ),
            'Table'[Calculation] IN { "Selection", "Allocation" }
        ),
        [Value]
    ) & "(allocation+selection)"
)

3. add a matrix visual with measure and field

set the column subtotal label:

Please refer the attached .pbix file.

Best regards,
Community Support Team_ Binbin Yu
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