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
Kyle 106.5 Mark 52.5 +6.3
+0.8
Greg 89.5 Dan 107.5 +1.9
+0.1
Mark Sellers 141.5 Tom 72.5 -1.5
Kelsey 98.5 Ben 109.5 +0.8
+0.1
Forrest 88.5 Kaitlyn 62.5 +0.8
+0.1
Doug 76 Lisa 83 +0.2
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Kyle 112.5 Ben 100.5 +0.6
Doug 96.5 Mark 45 -0.2
Kelsey 92 Tom 109.5 -0.1
Mark Sellers 92.5 Kaitlyn 91.5 -0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Tom vs Kyle-0.5+0.5

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
9.51-0-0In50507,712,720
8.50-1-0In50507,714,008
Total:In25502515,426,728
Games Above .500
Chance Will Make Playoffs