A group of children played a balloon dart game at the county fair. The children took turns at the game, and the first 9 players scored

230, 540, 420, 430, 540, 560, 275, 50, 250

Joey is the 10th player, and his score is recorded with the first 9 scores after his turn. If Joey wants his score to be higher than the 70th percentile of all 10 scores, at least how many points does Joey need to score?