sqlserver 计算同比增长

/****** Script for SelectTopNRows command from SSMS  ******/
SELECT  [fdSequenceID]
      ,[fdInnerTime]
      ,[fdTime]
      ,[fdData]
      ,[fdState]
      ,[fdUpdateTime]
      ,[fdCreateTime]
  FROM [NewDBTest].[dbo].[tbDataMonthHG]
  


WITH f AS 
(
  SELECT ROW_NUMBER()OVER(   partition by fdSequenceID ORDER BY fdTime) AS id, * FROM [NewDBTest].[dbo].[tbDataMonthHG]
)

select t.*,
       fdRate=(cast(cast(100*((t.fdData/NULLif(d.fdData,0))-1) as numeric(25,10)) as  varchar(50))+‘%‘ )   --小数变百分数
       from f t
left join f d on
       t.fdInnerTime = DateAdd(year,1,d.fdInnerTime) and t.fdSequenceID = d.fdSequenceID  --同比增长
       order by fdSequenceID,id asc