How are these numbers calculated?

Big Games

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

Week of 11/5100.0*Chance in playoffs100.0*Average seed
Zach 63 DrS 56 +11.1
+0.9
AlAk 110 LOY 99 -1.2
Liz 103 TVS 96 +0.5
WOLF 102 SOCK 69 +0.4
+0.1
A2 109 JOHN 110 +0.3
+0.1
THM 84 Tiny 73 +0.1
-0.1
If winner is:HomeAway
Week of 11/13100.0*Chance in playoffs100.0*Average seed
LOY vs Zach-16.8+16.8
-1.2+1.2
JOHN vs AlAk+1.7-1.7
+0.1-0.1
DrS vs Liz-1.3+1.3
-0.1+0.1
TVS vs SOCK-0.8+0.8
WOLF vs THM+0.6-0.6
+0.1-0.1
Tiny vs A2+0.1-0.1
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
84-0In440361640422,643
73-191.7%01925332481001,685,485
62-215.2002133131174002,528,741
51-30.001620353081,683,697
40-4Out043561422,962
Total:34.9%0357911141312111066,743,528
Games Above .500
Chance Will Make Playoffs