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 +15.6
+0.8
CL 197.06 Paul 140.48 -4.9
-0.1
Elson 137.38 Beej 85.54 -3.9
-0.1
Brad 165.92 Dan 131.72 +0.7
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Ben 176.58 Spada 82.8 -21.4
-0.7
CL 176.26 Dumas 101 -6.9
-0.2
Elson 138.24 Dan 117.42 +2.5
+0.1
Brad 139.82 TJ 131.42 -1.6
-0.1
Rich 100.68 Beej 91.46 +0.5
Paul 154.82 Matt 111 +0.1
If winner is:HomeAway
Week of 12/11100.0*Chance in playoffs100.0*Average seed
Brad vs SpadaOut+0.0
-0.3+0.3
Ben vs CL+0.0Out
Rich vs Dan+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-00.0%0505014,140,920
60-1Out010014,149,816
Total:0.0%0257528,290,736
Games Above .500
Chance Will Make Playoffs