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 -28.9
-1.1
Password is Taco 106.85 Taco Tuesdays 112.81 +3.8
+0.0
Maybe Monkeys 109.83 Definitely Monk 104.59 +1.4
+0.2
Gotham Rogues 107.04 Wacko for Flacco 115.47 -0.2
Fairy Princess 106.91 Brownes Touchdo 27.05 -0.1
Week of 12/11100.0*Chance in playoffs100.0*Average seed
HertzVanRentals 91.77 Password is Taco 107.19 Out
-1.5
Extraordinary G 116.93 Gotham Rogues 106.7 -0.3
Kevin Cadles Ba 89.4 Fairy Princess 105.77 -0.3
Definitely Monk 106.57 Brownes Touchdo 27.45 -0.1
Games Above .500
Chance Will Make Playoffs