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 +3.1
+0.2
Barry Evans 146.8 Dennis Gibiser 104.2 -0.2
Phil Edmiston 144.9 Kirk Miller 110.3 -0.2
Vinny Eruzione 86.8 Matt Jacobs 136 -0.1
Timothy Burkhardt 132.1 Steve Jacobs 127.8 +0.1
If winner is:HomeAway
Week of 11/19100.0*Chance in playoffs100.0*Average seed
Rob Weldner vs Matt JacobsIn-6.5
+1.1-1.1
Barry Evans vs Maize and Blue-1.6+1.6
-0.2+0.2
Phil Edmiston vs Dennis Gibiser-0.8+0.8
+0.1-0.1
Steve Jacobs vs Brian Neff+0.2-0.2

What If

Chances based on how well the Rob Weldner finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
103-0In100522,785
92-1In63259201,563,319
81-295.9%17282115105311,562,946
70-360.803112026241420521,686
Total:93.5%43201286542004,170,736
Games Above .500
Chance Will Make Playoffs