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 -1.2
-0.1
Phil Edmiston 144.9 Kirk Miller 110.3 -0.1
Maize and Blue 70.8 Sean O'Boyle 120.9 -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-9.1+32.8
-0.8+2.7
Barry Evans vs Maize and Blue-0.8+1.6
+0.1-0.1
Rob Weldner vs Matt Jacobs-0.1+0.1
+0.1-0.2
Kirk Miller vs Vinny Eruzione-0.1+0.0

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
53-0In162147233515,934
42-123.0%0141053154218203,306,992
31-21.201103013152296,271,758
20-3Out1749353,703,932
Total:9.8%0124218231012231313,798,616
Games Above .500
Chance Will Make Playoffs