What is the percentage of Swedish players in playoffs games in the 1997 - 2000 season?
percentage = MULTIPLY(DIVIDE(SUM(nation = 'Sweden'), COUNT(ELITEID) WHERE SEASON = '1997-2000'), 100); Swedish refers to nation = 'Sweden'; players refers to PlayerName; playoffs games refers to GAMETYPE = 'Playoffs'; 1997-2000 season refers to 3 consecutive SEASONs : '1997-1998', '1998-1999', '1999-2000';
SELECT DISTINCT CAST(COUNT(CASE WHEN T1.nation = 'Sweden' THEN T1.ELITEID ELSE NULL END) OVER (PARTITION BY T2.SEASON) AS REAL) * 100 / COUNT(T1.ELITEID) OVER (PARTITION BY T2.SEASON) FROM PlayerInfo AS T1 INNER JOIN SeasonStatus AS T2 ON T1.ELITEID = T2.ELITEID WHERE T2.SEASON IN ('1997-1998', '1998-1999', '1999-2000')