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*Chance wins regular season title100.0*Average seed
Stanford 27 Oregon St 23 +23.8
+0.7
USC 38 ASU 17 +1.1
+0.1
Washington 34 Utah 15 -0.5
-0.1
WSU 36 UCLA 44 -0.4
-0.0
Cal 17 Oregon 59 -0.1
-0.0
Week of 11/17100.0*Chance wins regular season title100.0*Average seed
Oregon 14 Stanford 17 (ot)+13.5
+0.9
UCLA 38 USC 28 -7.2
-0.1
Colorado 3 Washington 38 -1.3
-0.1
Oregon St 62 Cal 14 +0.3
Week of 11/24100.0*Chance wins regular season title100.0*Average seed
UCLA 17 Stanford 35 In
+0.7
Oregon St 24 Oregon 48 -21.1
-0.3
Points
Chance Will Win Regular Season Title