How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
Eric 92.7 Ken 122 -23.1
-0.8
Garrett 91.7 Brian 112.8 -3.3
Mike 96.8 Craig 78.6 +2.0
+0.2
Logan 81.5 Kyle 100.7 -0.5
Gerard 122.2 Jon 101.9 -0.1
Jason 79 Kelly 101.4 +0.1
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Brian 88.1 Eric 86.8 -26.3
-1.2
Ken 144.7 Logan 169.6 +5.6
+0.2
Craig 133.5 Jason 77 -2.9
-0.1
Kelly 95.6 Mike 80.9 +1.0
-0.2
Jon 105.7 Kyle 72.1 +1.0
+0.1
Garrett 117.3 Gerard 119.7 -0.4
+0.0
If winner is:HomeAway
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Jason vs Ken+8.4Out
+0.2-0.1
Craig vs EricOut+6.0
-0.9+1.2
Kelly vs JonOut+1.8
-0.4+0.2
Brian vs Logan-0.3+0.1
Garrett vs Kyle+0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-010.4%1054211519,786,790
50-1Out505026,493,394
Total:4.5%4239352946,280,184
Games Above .500
Chance Will Make Playoffs