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

Definitions
Team Over Record Over % Under % Total +/-
San Francisco 30-26-0 53.6% 46.4% +1.6
Seattle 26-23-1 53.1% 46.9% +1.0
Arizona 34-37-2 47.9% 52.1% +0.3
LA Rams 29-34-0 46.0% 54.0% +0.2