The Cleveland Brown's all time historical winning percentage was .535 which has topped the franchise's winning record and is high against other NFL teams.
The Philadelphia Eagles have a .483 all-time winning percentage.
Through the 2012 season, the Chicago Cubs have a .512all-time winning percentage.
No, Ohio State's winning percentage is 71.6%. It is the fifth highest of All-time. The University of Michigan holds the highest winning percentage of 74%
Through the 2012 season, the San Francisco 49ers have a .555 all-time winning percentage.
the percentage is 1094
Michigan has the highest winning percentage and the most wins
The New Zealand rugby team, the All Blacks, have an all-time 74.49% winning percentage.
As of the start of the 2008 season, the Lions all time regular season record is 488-553-32 for a regular season winning percentage of .470. The Lions all time playoff record is 7-10 for a winning percentage of .412.
Through the 2013 season, the New York Yankees have 9,947 wins, 7,570 losses for an all-time winning percentage of .568
University of Idaho .362 winning percentage (Kansas State has most all-time losses.)
From 1933 to 2010, the Steelers are tied for 14th overall in the NFL with a .520 winning percentage.
According to Basketball Reference, the Lakers all time regular season record through the 2007-08 season is 2905-1824 for a winning percentage of .614.