Need help for generating raw wise difference from column using DAX or power query

Here is M-Code that will calculate the Difference columns, and arrange it in the order you show.

Paste the code below into the Advanced Editor to see how it works, then adapt it to your actual data.

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("bdBBCgIxDAXQq0jXIzRJk5+ew+UwOxHduNC5P5bWkakd6CLQx+cn8xz0zOVF1jAFeq+ny/1xW8vMlhJpLpNld1BYpoptw/y87jGcvOJM6gOW1x4rCdAwp7xhHCcrXLVhGAbcJxtpxYgx8q+GHy9oYoKGiWVIHjC+WMr3f3Lf2eDiDaukAfedQUax4XLEDefjGhCoNeylz7J8AA==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Date = _t, Shift = _t, #"Machine A" = _t, #"Machine B" = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{
        {"Date", type date}, {"Shift", type text}, {"Machine A", Int64.Type}, {"Machine B", Int64.Type}}),
    
    #"Add Differences" = 
        [a=List.Skip(#"Changed Type"[Machine A]),
         b=List.Skip(#"Changed Type"[Machine B]),
         c=List.Zip({a,#"Changed Type"[Machine A]}),
         d=List.Zip({b,#"Changed Type"[Machine B]}),
         e=List.Transform(c, each _{0} - _{1}),
         f=List.Transform(d, each _{0} - _{1}),
         g=Table.FromColumns(
             Table.ToColumns(#"Changed Type")
             & {e,f},
             type table[Date=date, Shift=text,Machine A=Int64.Type,Machine B=Int64.Type,
                        Difference A=Int64.Type, Difference B=Int64.Type])][g],

    #"Reordered Columns" = Table.ReorderColumns(#"Add Differences",
        {"Date", "Shift", "Machine A", "Difference A", "Machine B", "Difference B"})
        
in
    #"Reordered Columns"

Results from your data:

Just by formatting the Line Chart visual, you can get this:

I don't know how to rotate the x-axis labels on this visual except by making the visual more narrow. I merely used Data and Shift for the x-axis and selected to concatenate the labels.