How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Chance in playoffs100.0*Average seed
Josh 51 Jason 87 +24.2
+1.7
Daryll 47 Fitz 50 -2.7
-0.1
Babs 57 Kyle 45 -1.3
-0.2
Yarroch 69 Jake 59 -1.0
+0.0
Brandon 58 Bill 42 +0.8
+0.2
Chris 94 Zach 69 +0.8
+0.1
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Kyle vs Jason-2.6InIn
-1.6+0.3+1.6
Chris vs Fitz+1.8+1.9-1.9
+0.1+0.1-0.1
Brandon vs Zach+1.8+1.8-1.9
+0.1+0.1-0.1
Josh vs Bill+1.3-1.2-1.2
+0.3-0.2-0.3
Daryll vs Jake+1.2-1.1-1.1
+0.3-0.2-0.3
Babs vs Yarroch-1.0+0.9+0.9
+0.1-0.0-0.1

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
161-0-0In81144111,286,157
150-0-1In13383712577,937
140-1-094.9%16172927155111,281,034
Total:97.5%401112151372023,145,128
Games Above .500
Chance Will Make Playoffs