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

Definitions
Team Over Record Over % Under % Total +/-
Seattle 23-19-1 54.8% 45.2% +1.9
San Francisco 24-22-0 52.2% 47.8% +1.3
Arizona 27-25-1 51.9% 48.1% +1.5
LA Rams 19-21-0 47.5% 52.5% +1.3