How are these numbers calculated?

Big Games

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

Week of 12/4100.0*Chance in playoffs100.0*Average seed
Extraordinary G 112.19 HertzVanRentals 90.03 -0.4
-0.0
Password is Taco 106.85 Taco Tuesdays 112.81 In
+0.8
Maybe Monkeys 109.83 Definitely Monk 104.59 +0.3
+0.1
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Wacko for Flacco 112.33 Taco Tuesdays 111.75 -0.5
Games Above .500
Chance Will Make Playoffs