How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/1100.0*Chance in playoffs100.0*Average seed
DollsAndBalls 2 IdHitThatAgain 9 Out
-0.4
GoGoGadgetBalls 3 AlcoholicsUnani 4 -0.1
WinOrLoseWeStil 1 MixedNuts 10 +0.0
Games Above .500
Chance Will Make Playoffs