What is every NFC West Division team's record against the over/under line as a road favorite since the 2012 season?

Definitions
Team Over Record Over % Under % Total +/-
Arizona 13-13-1 50.0% 50.0% -0.6
San Francisco 21-26-1 44.7% 55.3% -0.7
LA Rams 15-22-1 40.5% 59.5% -0.9
Seattle 21-33-0 38.9% 61.1% -3.4