How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/10100.0*Average seed
Arizona 56 Colorado 31 +0.1
Cal 17 Oregon 59 -0.1
Week of 11/17100.0*Average seed
Colorado 35 Utah 42 +0.4
Colorado 3 Washington 38 +0.1
Oregon St 62 Cal 14 -0.1
Utah 24 Arizona 34 -0.1
Week of 11/24None
Points
Chance Will Win Regular Season Title