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
Yarroch 69 Jake 59 +19.7
+1.3
Chris 94 Zach 69 +4.7
+0.2
Babs 57 Kyle 45 -2.4
-0.0
Josh 51 Jason 87 +2.2
-0.0
Brandon 58 Bill 42 -0.6
+0.0
Daryll 47 Fitz 50 -0.4
+0.0
If winner is:HomeTieAway
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Babs vs Yarroch-10.4InIn
-1.8+1.1+1.8
Kyle vs Jason-6.1+5.8+5.8
+0.0+0.4-0.0
Chris vs Fitz+5.8+5.8-6.1
+0.2+0.2-0.2
Brandon vs Zach+5.6+5.6-5.9
+0.2+0.2-0.2
Josh vs Bill+2.6-2.5-2.5
+0.3-0.1-0.3
Daryll vs Jake+2.2-2.1-2.1
+0.3-0.0-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
161-0-0In433915311,283,676
150-0-1In12373813578,614
140-1-079.7%02616272916411,282,838
Total:90.1%212111913148223,145,128
Games Above .500
Chance Will Make Playoffs