What is the percentage of users gave "5" to the movie "Go Go Tales"?
movie "Go Go Tales" refers to movie_title = 'Go Go Tales'; gave "5" refers to rating_score = 5; percentage refers to DIVIDE(COUNT(rating_score = 5),COUNT(rating_score))*100
SELECT CAST(SUM(CASE WHEN T1.rating_score = 5 THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(T1.user_id) FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id WHERE T2.movie_title = 'Go Go Tales'