This query doesn't care how many votes you've cast overall (though it does display your percentage) but rather it looks at the total number of downvotes.
Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition
-- Who has cast the most downvotes? -- This query doesn't care how many votes you've cast overall (though it does display your percentage) but rather it looks to see the total number of downvotes. select top 500 Id as [User Link], UpVotes, DownVotes, ((DownVotes*100) / (DownVotes + UpVotes) ) As PercentageDown from Users c where DownVotes > 10 order by DownVotes desc