What is every NFC West Division team's record against the over/under line as an underdog in the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Seattle 6-2-0 75.0% 25.0% +7.4
San Francisco 6-6-0 50.0% 50.0% +1.6
Arizona 6-8-0 42.9% 57.1% -0.9
LA Rams 0-2-0 0.0% 100.0% -22.8