What is every National League East team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Atlanta 317-297-32 51.6% 48.4% +0.6
Philadelphia 373-350-47 51.6% 48.4% +0.7
Miami 488-480-50 50.4% 49.6% +0.6
NY Mets 273-271-30 50.2% 49.8% +0.8
Washington 323-355-40 47.6% 52.4% +0.5