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 +7.1
-0.1
Maybe Monkeys 85.38 Kevin Cadles Ba 72 Out
-0.9
Mikeys Chargers 118.16 Pack Attack 81.74 -0.4
+0.0
HertzVanRentals 80.02 Wacko for Flacco 81.28 +0.1
Fairy Princess 66.22 Definitely Monk 76.22 -0.1
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Kevin Cadles Ba 51.46 Pack Attack 86.34 -0.7
Maybe Monkeys 98.78 Definitely Monk 77.28 +0.2
Games Above .500
Chance Will Make Playoffs