How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Greg 89.5 Dan 107.5 +0.9
+0.5
Forrest 88.5 Kaitlyn 62.5 +0.3
Doug 76 Lisa 83 -0.3
-0.2
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Forrest 120.5 Dan 102 Out
-0.9
Kelsey 92 Tom 109.5 -2.1
-0.1
Mark Sellers 92.5 Kaitlyn 91.5 -0.9
+0.2
Greg 112.5 Lisa 108 -0.8
+0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Dan vs Mark Sellers+0.6-0.6
Kaitlyn vs Kelsey-0.3+0.3
Lisa vs Forrest-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
51-0-0Out3837257,715,035
40-1-0Out1007,711,693
Total:Out19196215,426,728
Games Above .500
Chance Will Make Playoffs