โหวตลง % ของคะแนนโหวตทั้งหมด ไม่จำเป็นต้องใช้ตารางทั้งหมด
Downvote % to total votes.It is not neccessary to use all the tables.
 TagSynonyms:  Id [ number]  SourceTagName [ text]  TargetTagName [ text]  CreationDate [ time]  OwnerUserId [ number]  AutoRenameCount [ number]  LastAutoRename [ time]  Score [ number]  ApprovedByUserId [ number]  ApprovalDate [ time] 
SELECT UpVotes, DownVotes, ROUND((CAST(DownVotes AS FLOAT) / (DownVotes + UpVotes)) * 100, 2) AS "DownVote %" FROM Users WHERE Id = @UserId