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
Rob Weldner 192.5 Brian Neff 108.6 -2.3
-0.2
Vinny Eruzione 86.8 Matt Jacobs 136 +0.4
Phil Edmiston 144.9 Kirk Miller 110.3 +0.2
Barry Evans 146.8 Dennis Gibiser 104.2 -0.1
If winner is:HomeAway
Week of 11/19100.0*Chance in playoffs100.0*Average seed
Steve Jacobs vs Brian Neff-5.3+5.3
-0.4+0.4
Phil Edmiston vs Dennis Gibiser+0.8-2.7
-0.0+0.1
Rob Weldner vs Matt Jacobs+0.9-1.7
Barry Evans vs Maize and Blue-0.8+1.6
-0.0+0.1
Kirk Miller vs Vinny Eruzione+0.3-0.2

What If

Chances based on how well the Brian Neff finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
93-0In1236351612,010,371
82-195.9%110202527134005,447,646
71-251.401717271813124104,892,606
60-3Out3264222711,447,993
Total:70.6%291314171588941013,798,616
Games Above .500
Chance Will Make Playoffs