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

Definitions
Team Over Record Over % Under % Total +/-
LA Rams 42-41-0 50.6% 49.4% +0.2
Arizona 52-55-3 48.6% 51.4% +0.7
Seattle 28-30-2 48.3% 51.7% -0.2
San Francisco 39-46-0 45.9% 54.1% -0.4