Bagaimana cara mendapatkan nilai baris sebelumnya dan saat ini menggunakan CTE rekursif?

Ini mengasumsikan peningkatan nilai ID dan akan menangani kesenjangan dalam ID

SELECT
   ID, 
   This.Number AS CurrentValue, 
   Prev2.Number AS PreviousValue
FROM
   myTable This
   OUTER APPLY
   (
    SELECT TOP 1
       Number
    FROM
       myTable Prev
    WHERE
       Prev.ID < This.ID  -- change to number if you want
    ORDER BY
       Prev.ID DESC
   ) Prev2;

ATAU

WITH CTE
     AS (SELECT ID,
                Number,
                ROW_NUMBER() OVER (ORDER BY ID) AS rn
         FROM   Mytable)
SELECT ID,
       This.Number AS CurrentValue,
       Prev.Number AS PreviousValue
FROM   CTE This
       LEFT JOIN CTE Prev
         ON Prev.rn + 1 = This.rn; 

Dan untuk SQL Server 2012

SELECT
   ID,
   Number AS CurrentValue,
   LAG(Number) OVER (ORDER BY ID) AS PreviousValue
FROM
   MyTable