Write SQL query to solve given problem: From the Spanish LaLiga division in the 2017 season, which team won the most times as a local team and by what percentage?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.HomeTeam HWHT , CAST(COUNT(CASE WHEN T1.FTR = 'H' THEN 1 ELSE NULL END) AS REAL) * 100 / COUNT(HomeTeam) FROM matchs AS T1 INNER JOIN divisions AS T2 ON T1.Div = T2.division WHERE T2.name = 'LaLiga' AND T2.country = 'Spain' AND T1.season = 2017