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 +0.2
+0.6
Fitz 54 Kyle 41 -0.1
+0.1
Daryll 69 Yarroch 54 +0.1
Brandon 60 Chris 37 +0.0
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Babs 51 Daryll 76 +0.5
Chris 64 Jason 47 Out
-0.6
Zach 61 Yarroch 30 Out
+0.1
Fitz 53 Josh 79 +0.1
Brandon 60 Kyle 48 +0.0
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Daryll vs Jason-0.5-0.5+0.7
Jake vs Yarroch+0.1-0.4-0.5

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
101-0-0Out10028,490,313
90-0-1Out80201,020,882
80-1-0Out782238,637,805
Total:Out42461368,149,000
Games Above .500
Chance Will Make Playoffs