What is every NFC West Division team's record against the over/under line as an underdog in the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Arizona 2-0-0 100.0% 0.0% +22.3
Seattle 2-2-0 50.0% 50.0% +2.5
San Francisco 7-9-0 43.8% 56.3% -4.0
LA Rams 2-7-0 22.2% 77.8% -2.6