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 -3.4
-0.6
A2 109 JOHN 110 +0.5
-0.1
Liz 103 TVS 96 +0.4
AlAk 110 LOY 99 -0.2
WOLF 102 SOCK 69 +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
DrS vs Liz+5.3-5.3
+0.9-0.9
LOY vs Zach+0.7-0.7
+0.1-0.1
JOHN vs AlAk+0.7-0.7
-0.1+0.1
TVS vs SOCK-0.5+0.5
-0.1+0.1
Tiny vs A2+0.3-0.3
WOLF vs THM+0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
104-0In946422,665
93-1In4547801,684,021
82-2100.0%43647121002,528,651
71-396.802153631133001,685,830
60-419.200316302817500422,361
Total:94.1%19262314843210006,743,528
Games Above .500
Chance Will Make Playoffs