How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
JOHN 91 AlAk 58 -13.0
-0.8
LOY 140 Zach 94 +3.7
+0.1
Tiny 102 A2 75 -2.0
TVS 88 SOCK 67 -1.7
-0.1
WOLF 107 THM 96 -1.2
If winner is:HomeAway
Week of 11/20100.0*Chance in playoffs100.0*Average seed
AlAk vs Tiny+19.3-19.3
+0.8-0.8
Zach vs JOHN-4.0+4.0
-0.2+0.2
A2 vs WOLF+3.4-3.4
THM vs TVS+2.0-2.0
SOCK vs DrS+0.8-0.8
+0.1-0.1
Liz vs LOY-0.3+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
83-0In8434541,368,039
72-184.2%07364015104,092,677
61-212.00124931714,094,859
50-3Out1136421011,368,761
Total:48.6%1681419251782010,924,336
Games Above .500
Chance Will Make Playoffs