How many more papers in total were published in the journal "Cases Journal" than in the journal "Molecular Brain" in percentage?
"Cases Journal" and "Molecular Brain" are FullName of journal; more paper in percentage = Subtract(Count(Id(FullName = 'Cases Journal')), Count(Id(FullName = 'Molecular Brain')))/ Count(Id(FullNmae = 'Molecular Brain')) * 100
SELECT SUM(CASE WHEN T1.FullName = 'Cases Journal' THEN 1 ELSE 0 END) - SUM(CASE WHEN T1.FullName = 'Molecular Brain' THEN 1 ELSE 0 END) AS DIFF FROM Journal AS T1 INNER JOIN Paper AS T2 ON T1.Id = T2.JournalId