What is every NFC West Division team's record against the over/under line as an underdog since the 2008 season?

Definitions
Team Over Record Over % Under % Total +/-
Seattle 61-55-3 52.6% 47.4% +0.4
Arizona 81-79-3 50.6% 49.4% +1.3
San Francisco 56-60-1 48.3% 51.7% +0.1
LA Rams 71-80-3 47.0% 53.0% -0.9