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 +15.5
+0.9
Fairy Princess 66.22 Definitely Monk 76.22 +1.1
Maybe Monkeys 85.38 Kevin Cadles Ba 72 -0.6
+0.1
Mikeys Chargers 118.16 Pack Attack 81.74 +0.1
+0.1
HertzVanRentals 80.02 Wacko for Flacco 81.28 -0.1
-0.0
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Gotham Rogues 95.44 Wacko for Flacco 88.14 +48.6
+1.4
Detroit Sabres 98.42 Password is Taco 88.12 +8.5
+0.2
Maybe Monkeys 98.78 Definitely Monk 77.28 -2.2
-0.1
Mikeys Chargers 87.26 Fairy Princess 74.34 +1.7
+0.1
Kevin Cadles Ba 51.46 Pack Attack 86.34 -0.3
Games Above .500
Chance Will Make Playoffs