Previous Row value DAX

Hi Uzi2019 ,

Please hvae a try.

Create a measure.

Measure =
VAR _1 =
    CALCULATE (
        SUM ( 'Table'[Billed Amount] ),
        FILTER (
            ALL ( 'Table' ),
            'Table'[ORDER DATE] <= SELECTEDVALUE ( 'Table'[ORDER DATE] )
                && 'Table'[Brand ] = SELECTEDVALUE ( 'Table'[Brand ] )
                && 'Table'[Order ID] = SELECTEDVALUE ( 'Table'[Order ID] )
        )
    )
VAR _MINDATE =
    MINX (
        FILTER (
            ALL ( 'Table' ),
            'Table'[Brand ] = SELECTEDVALUE ( 'Table'[Brand ] )
                && 'Table'[Order ID] = SELECTEDVALUE ( 'Table'[Order ID] )
        ),
        'Table'[ORDER DATE]
    )
VAR _MIN =
    CALCULATE (
        MAX ( 'Table'[Amount] ),
        FILTER ( ALL ( 'Table' ), 'Table'[ORDER DATE] = _MINDATE )
    )
RETURN
    _MIN - _1

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