Check if previous value is the same or different - Comparing data across dates

Please check it this is the output that you're looking for:

The Measure I'm using is this:

New Hardware Swap = 
VAR _SerialNumber = SELECTEDVALUE(FieldReplaceableUnit_productData[f_serialNumber])
VAR _MaxDate = 
    CALCULATE(
            MAX(FieldReplaceableUnit_productData[Date created]),
            FILTER(
                //ALL(FieldReplaceableUnit_productData),
                ALLEXCEPT(FieldReplaceableUnit_productData, FieldReplaceableUnit_productData[f_managedElementId], FieldReplaceableUnit_productData[f_fieldReplaceableUnitId]),
                FieldReplaceableUnit_productData[Date created] < MIN(FieldReplaceableUnit_productData[Date created])
            )
    )

VAR _Calculation = 
    CALCULATE(
        VALUES(FieldReplaceableUnit_productData[f_serialNumber]),
        FILTER(
            ALL(FieldReplaceableUnit_productData),
            FieldReplaceableUnit_productData[Date created] = _MaxDate && (FieldReplaceableUnit_productData[f_managedElementId] = SELECTEDVALUE(FieldReplaceableUnit_productData[f_managedElementId]) && FieldReplaceableUnit_productData[f_fieldReplaceableUnitId] = SELECTEDVALUE(FieldReplaceableUnit_productData[f_fieldReplaceableUnitId]))
            )
        )
VAR _Result = _Calculation

RETURN
    IF( ISBLANK(_Calculation), 0,
        IF(_SerialNumber = _Calculation,0,1)
    )