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
Washington 34 Utah 15 +0.6
+0.7
Stanford 27 Oregon St 23 +0.5
-0.0
WSU 36 UCLA 44 -0.4
-0.0
USC 38 ASU 17 -0.2
Arizona 56 Colorado 31 -0.0
Week of 11/17100.0*Chance wins regular season title100.0*Average seed
Oregon 14 Stanford 17 (ot)Out
-0.3
UCLA 38 USC 28 Out
+0.0
Colorado 3 Washington 38 +0.6
+0.6
Oregon St 62 Cal 14 +0.2
-0.0
WSU 31 Washington 28 -2.5
Utah 24 Arizona 34 -0.1
Week of 11/24None
Points
Chance Will Win Regular Season Title