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 +0.5
Washington 34 Utah 15 -0.0
USC 38 ASU 17 -0.0
Cal 17 Oregon 59 +0.0
Week of 11/17100.0*Average seed
Arizona 34 ASU 41 -1.2
Utah 24 Arizona 34 +0.7
WSU 31 Washington 28 +0.6
UCLA 38 USC 28 +0.1
Colorado 3 Washington 38 -0.1
Oregon St 62 Cal 14 +0.0
Week of 11/24None
Points
Chance Will Win Regular Season Title