Write SQL query to solve given problem: What is the percentage of Russian players who have a height of under 200 inch?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT CAST(COUNT(CASE WHEN T1.height_in_cm < 200 AND T2.nation = 'Russia' THEN T2.ELITEID ELSE NULL END) AS REAL) * 100 / COUNT(T2.ELITEID) FROM height_info AS T1 INNER JOIN PlayerInfo AS T2 ON T1.height_id = T2.height