What is every National League West team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
LA Dodgers 44-38-3 53.7% 46.3% +0.5
San Diego 306-282-25 52.0% 48.0% +0.6
Arizona 226-221-18 50.6% 49.4% +0.7
Colorado 246-270-21 47.7% 52.3% +0.5
SF Giants 209-248-32 45.7% 54.3% 0.0