How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Babs 58 Jason 60 +0.7
+0.5
Fitz 54 Kyle 41 -0.5
+0.1
Brandon 60 Chris 37 +0.2
+0.1
Daryll 69 Yarroch 54 +0.1
+0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Chris 64 Jason 47 Out
-0.8
Zach 61 Yarroch 30 Out
+0.1
Babs 51 Daryll 76 +1.4
Fitz 53 Josh 79 +0.2
Brandon 60 Kyle 48 +0.1
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Daryll vs Jason-0.7-0.7+0.8
Jake vs Yarroch+0.3-0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
101-0-0Out10011,398,784
90-0-1Out5149348,056
80-1-0Out495111,398,288
Total:Out49252623,145,128
Games Above .500
Chance Will Make Playoffs