What is every Atlantic Division team's record against the over/under line as an underdog since the 2012-2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Toronto 217-196-3 52.5% 47.5% +1.4
Brooklyn 291-296-8 49.6% 50.4% +0.9
Philadelphia 264-283-10 48.3% 51.7% -0.6
New York 289-316-9 47.8% 52.2% -0.3
Boston 166-194-3 46.1% 53.9% -0.4