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
Fairy Princess 61.9 Mikey's chargers 72.58 +5.4
+1.0
Password is Taco 100.58 Taco Tuesdays 92.36 -2.6
-0.0
Gotham Rogues 110.94 Wacko for Flacco 56.04 +2.0
+0.1
Chicago Cubs 121.12 HertzVanRentals 82.26 -1.4
-0.2
Pack Attack 129.44 Kevin Cadles Ba 80.7 +1.0
+0.0
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Definitely Monk 78.9 Mikey's chargers 79 +1.2
Wacko for Flacco 59.5 Taco Tuesdays 66.74 -0.4
Chicago Cubs 126.84 Gotham Rogues 84.32 -0.3
HertzVanRentals 45.9 Password is Taco 106.58 -0.2
Maybe Monkeys 74.7 Pack Attack 63.48 +0.2
Kevin Cadles Ba 55.68 Fairy Princess 55.74 +0.1
Games Above .500
Chance Will Make Playoffs