How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/27100.0*Chance in playoffs100.0*Average seed
Dumas 79.86 Spada 100.82 Out
-0.7
Elson 137.38 Beej 85.54 -0.5
CL 197.06 Paul 140.48 -0.5
+0.1
Brad 165.92 Dan 131.72 +0.4
Week of 12/4100.0*Chance in playoffs100.0*Average seed
CL 176.26 Dumas 101 -0.5
Rich 100.68 Beej 91.46 -0.2
If winner is:HomeAway
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Paul vs Dumas-0.9+0.9
Rich vs Dan-0.2+0.2
Beej vs Matt+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
41-0Out16493514,149,610
30-1Out10014,141,126
Total:Out825185028,290,736
Games Above .500
Chance Will Make Playoffs