Database: formula_1
Question: Calculate the percentage whereby Hamilton was not at the 1st track of the the f1 circuit since 2010.
SQL: SELECT CAST(COUNT(CASE WHEN T2.position <> 1 THEN T2.position END) AS REAL) * 100 / COUNT(T2.driverStandingsId) FROM races AS T1 INNER JOIN driverStandings AS T2 ON T2.raceId = T1.raceId INNER JOIN drivers AS T3 ON T3.driverId = T2.driverId WHERE T3.surname = 'Hamilton' AND T1.year >= 2010