Write SQL query to solve given problem: What is the difference in percentage between the product descriptions written in Arabic and Thai?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT CAST(SUM(CASE WHEN T1.Name = 'Arabic' THEN 1 ELSE 0 END) AS REAL) * 100 / SUM(CASE WHEN T1.Name = 'Thai' THEN 1 ELSE 0 END) FROM Culture AS T1 INNER JOIN ProductModelProductDescriptionCulture AS T2 ON T1.CultureID = T2.CultureID