Answer: 61.25% of games where won at home 49/80
Explanation: the yankees home field has a high advantage due to statistics from home matches played in 1996 season.
80 home games
49 wins
49/80 X 100 = 61.25
Games won at home in that season was above 50% which is a huge number considering there are hardly home advantages in baseball, so Yes Yankees home provide them an home advantage above 61%.