Macro for data tables in financial model slowing down excel

OK, here's the code:

Option Explicit

Sub sClearDataTable()

With Sheets("Masterlease")
    .Range("N8:AC27").ClearContents
End With

End Sub

Sub sLoadDataTable()

With Sheets("Masterlease")
    With .Range("M7:AC27")
        .Table _
            RowInput:=Range("F14"), _
            ColumnInput:=Range("F15")
    End With
End With

End Sub

Sub sLoadDataTable_Test()

With Sheets("Masterlease")
    With .Range("M7:AC27")
        .Table Range("F14"), Range("F15")
    End With
End With

End Sub

I'd suggest you move the buttons to the top of the sheet above the table, as in the attached updated workbook. I have assigned the macros to both sets of buttons, so have a play and see which you prefer.