Calculate table and replace values based on another table

[przwrz3]

Hi,

I have a following source table:

Contract ID	Start Date	End Date	Value
A1	2020-12-01	2021-12-31	100
A2	2021-03-01	2022-12-31	200
A3	2021-05-01	2023-12-31	300

I'm trying to create a calculated table with contracts, which expire before 2023-01-01 and at the same time Start Date and End Date will change to Expiry Date plus 1 day, so in results I'll get:

Contract ID	Start Date	End Date	Value
A1	2022-01-01	2022-12-31	100
A2	2023-01-01	2023-12-31	200

I know how to create calculated table:

    CALCULATETABLE (
        'tblContractList',
        'tblContractList'[End Date] < DATE ( 2023, 01, 01 )

)

But how to replace the values in Start Date column in calculated table based on values from End Date column from the source table?
        

[Anonymous]

Why would you want to do it in DAX instead of Power Query? Is it not easier, faster and more efficient to do the transformation in PQ?