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
Maize and Blue 70.8 Sean O'Boyle 120.9 +1.6
+0.3
Phil Edmiston 144.9 Kirk Miller 110.3 +0.1
Barry Evans 146.8 Dennis Gibiser 104.2 -0.1
Rob Weldner 192.5 Brian Neff 108.6 -0.1
If winner is:HomeAway
Week of 11/19100.0*Chance in playoffs100.0*Average seed
Phil Edmiston vs Dennis Gibiser-2.0+2.0
Sean O'Boyle vs Timothy Burkhardt+1.9-1.9
+0.1-0.1
Barry Evans vs Maize and Blue-1.8+1.8
Rob Weldner vs Matt Jacobs+1.1-1.1
+0.2-0.2

What If

Chances based on how well the Sean O'Boyle finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
63-039.3%131422312181522,346
52-18.126111219281741,563,518
41-2Out02142931231,562,504
30-3Out63756522,368
Total:8.0%003588142223174,170,736
Games Above .500
Chance Will Make Playoffs