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
Chicago Cubs 121.12 HertzVanRentals 82.26 +34.0
+1.3
Gotham Rogues 110.94 Wacko for Flacco 56.04 +7.1
+0.2
Fairy Princess 61.9 Mikey's chargers 72.58 -4.0
-0.2
Password is Taco 100.58 Taco Tuesdays 92.36 +1.7
Pack Attack 129.44 Kevin Cadles Ba 80.7 -1.3
-0.0
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Chicago Cubs 126.84 Gotham Rogues 84.32 +1.0
Kevin Cadles Ba 55.68 Fairy Princess 55.74 +0.5
Definitely Monk 78.9 Mikey's chargers 79 -0.3
HertzVanRentals 45.9 Password is Taco 106.58 -0.2
Maybe Monkeys 74.7 Pack Attack 63.48 -0.1
Wacko for Flacco 59.5 Taco Tuesdays 66.74 -0.1
Games Above .500
Chance Will Make Playoffs