What is every Pacific-12 Conference team's record against the over/under line as an underdog since the 2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Utah 15-8-0 65.2% 34.8% +4.8
Stanford 30-18-2 62.5% 37.5% +2.2
Oregon St 40-28-0 58.8% 41.2% +2.4
UCLA 23-19-3 54.8% 45.2% +2.1
USC 15-13-0 53.6% 46.4% -1.3
Colorado 34-34-1 50.0% 50.0% -1.8
Wash State 23-25-0 47.9% 52.1% -1.1
Arizona 32-36-0 47.1% 52.9% 0.0
Arizona St 27-35-0 43.6% 56.5% -0.2
California 26-34-0 43.3% 56.7% -1.1
Oregon 13-18-0 41.9% 58.1% 0.0
Washington 6-18-0 25.0% 75.0% -5.3