Code:
Sub ScratchMacro()
'A basic Word Macro coded by Gregory K. Maxey
Dim oTbl As Table
Dim lngIndex As Long
Set oTbl = Selection.Tables(1)
oTbl.Columns.Add
For lngIndex = 1 To oTbl.Rows.count
oTbl.Cell(lngIndex, oTbl.Columns.count).Range.Text = lngIndex
Next lngIndex
oTbl.Sort False, oTbl.Columns.count, , wdSortOrderDescending
oTbl.Columns(oTbl.Columns.count).Delete
End Sub