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
THM 84 Tiny 73 -11.3
-0.9
Zach 63 DrS 56 -0.9
WOLF 102 SOCK 69 -0.5
Liz 103 TVS 96 +0.4
+0.0
A2 109 JOHN 110 +0.4
-0.1
AlAk 110 LOY 99 +0.1
-0.1
If winner is:HomeAway
Week of 11/13100.0*Chance in playoffs100.0*Average seed
Tiny vs A2+12.8-17.2
+0.7-0.9
TVS vs SOCK-1.5+3.8
-0.1+0.2
LOY vs Zach+1.1-1.6
JOHN vs AlAk+1.7-1.0
WOLF vs THM+0.2-0.3
DrS vs Liz+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
94-0In8483861,161,814
83-1100.0%04404511105,452,885
72-292.6042240277108,292,989
61-323.700320372810105,149,048
50-40.000831421901,138,672
Total:73.2%0414211916128431021,195,408
Games Above .500
Chance Will Make Playoffs