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*Average seed
Maybe Monkeys 85.96 Definitely Monk 89.54 +0.6
Fairy Princess 61.9 Mikey's chargers 72.58 +0.0
Week of 12/11100.0*Average seed
Kevin Cadles Ba 55.68 Fairy Princess 55.74 -0.7
Definitely Monk 78.9 Mikey's chargers 79 -0.1
Maybe Monkeys 74.7 Pack Attack 63.48 -0.1
Games Above .500
Chance Will Make Playoffs