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 -0.2
Fairy Princess 61.9 Mikey's chargers 72.58 -0.2
Week of 12/11100.0*Average seed
Kevin Cadles Ba 55.68 Fairy Princess 55.74 +0.3
Definitely Monk 78.9 Mikey's chargers 79 +0.2
Games Above .500
Chance Will Make Playoffs