Assuming that the 2 represents ties, the winning percentage is .619
Assuming that the 7 represents ties, the winning percentage is .738
In 1912 when the team was called the Highlanders, the team record was 50 - 102. for a .329 winning percentage. Since the team was named the Yankees in 1913 the worst season was 1913 with a record of 57 - 94 for a .377 winning percentage.
The 1935 Braves with 65. They also hold the record for lowest road winning percentage.
a winning season is when a team has more wins than losses. For example a team with a 9-7 (or better) record has had a winning season.
The 95-96 Chicago Bulls. They won 87 of their 100 games ( including playoffs). This team holds the NBA record for best winning percentage at .878.
Boise State has the best with a record of 112-17 for an .868 winning percentage. After that is Texas (110-19) and Oklahoma (110-24).
The 5-4-1 team has the better record. When figuring winning percentage, a tie is considered a half win and half loss. So, where the winning percentage of a team 5-5 is .500, the winning percentage of a team 5-4-1 is .550.
In 1912 when the team was called the Highlanders, the team record was 50 - 102. for a .329 winning percentage. Since the team was named the Yankees in 1913 the worst season was 1913 with a record of 57 - 94 for a .377 winning percentage.
As of the start of the 2008 season, the Philadelphia Philles have lost the most games in MLB history. Their franchise record is 8853-10028 for a winning percentage of .469. The team with the worst franchise winning percentage is the Tampa Bay Rays who have a record of 645-972 for a winning percentage of .399.
Through the 2010 season, it's the Chicago Bears. They have a record of 704-512-42 for a winning percentage of .579.
Through Week 9 of the 2008 season, that would be the Broncos. The Broncos all time record is 382-340-10 for a winning percentage of .529 and the Eagles all time record is 484-527-25 for a winning percentage of .479.
Through the 2007 season, the American League team with the most wins in a regular season was the 2001 Seattle Mariners with 116. The American League team with the best winning percentage in a regular season is the 1954 Cleveland Indians who went 111-43 for a winning percentage of .721. Seattle's record in 2001 was 116-46 for a winning percentage of .716.
According to the Pro Football Hall of Fame, as of the start of the 2007 season the team with the best all time regular season winning percentage was the Miami Dolphins whose all time regular season record was 368-252-4 for a winning percentage of .593. Second was the Chicago Bears with an all time regular season record of 670-482-42 for a winning percentage of .579.
The 1935 Braves with 65. They also hold the record for lowest road winning percentage.
Through the 2007 season, the team with the worst winning percentage on MNF is the Cardinals with a record of 5-12-1 for a winning percentage of .277. The Falcons are second worst at 9-21 for a winning percentage of .300. The Bears are third worst at 16-34 for a winning percentage of .320. The Bears 34 losses is the most of any team on MNF.
That would be the Los Angeles Lakers, with a career record of 360-235 (.605 winning percentage).
OU
The New Zealand rugby team, the All Blacks, have an all-time 74.49% winning percentage.