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
Pack Attack 129.44 Kevin Cadles Ba 80.7 In
+1.3
Gotham Rogues 110.94 Wacko for Flacco 56.04 +2.0
+0.1
Chicago Cubs 121.12 HertzVanRentals 82.26 -1.5
-0.0
Password is Taco 100.58 Taco Tuesdays 92.36 +0.4
+0.0
Fairy Princess 61.9 Mikey's chargers 72.58 -0.1
-0.1
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Maybe Monkeys 74.7 Pack Attack 63.48 -1.2
HertzVanRentals 45.9 Password is Taco 106.58 -0.2
Wacko for Flacco 59.5 Taco Tuesdays 66.74 -0.1
Chicago Cubs 126.84 Gotham Rogues 84.32 +0.0
Definitely Monk 78.9 Mikey's chargers 79 -0.0
Games Above .500
Chance Will Make Playoffs