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
Password is Taco 81.72 Gotham Rogues 96.18 -0.1
+0.2
Fairy Princess 66.22 Definitely Monk 76.22 -0.1
+0.3
HertzVanRentals 80.02 Wacko for Flacco 81.28 In
+0.2
Maybe Monkeys 85.38 Kevin Cadles Ba 72 +0.0
Mikeys Chargers 118.16 Pack Attack 81.74 -0.2
Detroit Sabres 157.54 Taco Tuesdays 90.36 +0.1
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Gotham Rogues 95.44 Wacko for Flacco 88.14 -0.5
Mikeys Chargers 87.26 Fairy Princess 74.34 -0.1
Games Above .500
Chance Will Make Playoffs