How are these numbers calculated?

Big Games

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

Week of 11/12100.0*Chance in playoffs100.0*Average seed
Barry Evans 146.8 Dennis Gibiser 104.2 -2.3
-0.2
Maize and Blue 70.8 Sean O'Boyle 120.9 -0.4
If winner is:HomeAway
Week of 11/19100.0*Chance in playoffs100.0*Average seed
Phil Edmiston vs Dennis Gibiser-25.9+25.9
-2.0+2.0
Barry Evans vs Maize and Blue-1.3+1.3
Rob Weldner vs Matt Jacobs-0.1+0.1
+0.1-0.1

What If

Chances based on how well the Dennis Gibiser finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
53-0In2102944151522,450
42-136.6%13101563122918401,563,015
31-21.801113119916131,564,070
20-3Out63756521,201
Total:26.9%027114292214611124,170,736
Games Above .500
Chance Will Make Playoffs