Write SQL query to solve given problem: What is the percentage of unemployed students who have been absent for 5 months from school?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT CAST(SUM(IIF(T1.month > 5, 1, 0)) AS REAL) * 100 / COUNT(T1.month) FROM longest_absense_from_school AS T1 INNER JOIN unemployed AS T2 ON T1.name = T2.name