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 +0.5
+0.3
Phil Edmiston 144.9 Kirk Miller 110.3 +0.2
If winner is:HomeAway
Week of 11/19100.0*Chance in playoffs100.0*Average seed
Phil Edmiston vs Dennis Gibiser-0.6+2.3
+0.1-0.2
Barry Evans vs Maize and Blue-0.8+1.5
Sean O'Boyle vs Timothy Burkhardt+0.9-0.5
+0.1-0.0
Rob Weldner vs Matt Jacobs+0.3-0.5
+0.1-0.2
Kirk Miller vs Vinny Eruzione-0.1+0.1

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
63-029.5%019193424111900,052
52-17.72612143027914,284,217
41-2Out03273624106,153,471
30-3Out1749352,460,876
Total:4.3%0013672227221113,798,616
Games Above .500
Chance Will Make Playoffs