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 -2.5
-0.2
Phil Edmiston 144.9 Kirk Miller 110.3 +0.2
Barry Evans 146.8 Dennis Gibiser 104.2 -0.1
Vinny Eruzione 86.8 Matt Jacobs 136 +0.1
If winner is:HomeAway
Week of 11/19100.0*Chance in playoffs100.0*Average seed
Steve Jacobs vs Brian Neff-5.5+5.5
-0.4+0.4
Rob Weldner vs Matt Jacobs+1.5-1.5
Phil Edmiston vs Dennis Gibiser+0.9-0.9
Barry Evans vs Maize and Blue+0.6-0.6

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
93-0In27452250521,156
82-194.8%316202222114101,563,382
71-247.102815211611159201,563,667
60-3Out1103733153522,531
Total:65.7%5121112141286107314,170,736
Games Above .500
Chance Will Make Playoffs