Write SQL query to solve given problem: In 1998, How many wins were made by team 'CAR' per game played? Who contributed the most goals? State the player ID.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT CAST(T1.W AS REAL) / T1.G, T2.playerID FROM Teams AS T1 INNER JOIN Scoring AS T2 ON T1.tmID = T2.tmID AND T1.year = T2.year WHERE T1.tmID = 'CAR' AND T1.year = 1998 GROUP BY T1.W / T1.G, T2.playerID ORDER BY SUM(T2.G) DESC LIMIT 1