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 -7.2
-1.3
Chicago Cubs 121.12 HertzVanRentals 82.26 -4.0
-0.0
Fairy Princess 61.9 Mikey's chargers 72.58 -1.4
-0.2
Gotham Rogues 110.94 Wacko for Flacco 56.04 +1.1
+0.2
Password is Taco 100.58 Taco Tuesdays 92.36 +0.4
+0.0
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Wacko for Flacco 59.5 Taco Tuesdays 66.74 In
+0.0
Kevin Cadles Ba 55.68 Fairy Princess 55.74 -21.1
-1.0
Chicago Cubs 126.84 Gotham Rogues 84.32 -3.9
-0.1
Definitely Monk 78.9 Mikey's chargers 79 -0.2
Maybe Monkeys 74.7 Pack Attack 63.48 +0.1
HertzVanRentals 45.9 Password is Taco 106.58 +0.1
Games Above .500
Chance Will Make Playoffs