How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Average seed
HELS 78 LKB 100 +0.3
BOOM 90 BUYS 79 -0.1
AAM 117 SG 121 -0.1
GOLD 75 PPHS 92 +0.1
Week of 11/24100.0*Average seed
SBR 82 LKB 57 -0.5
AAM 115 GOLD 110 +0.2
SG 75 BOOM 117 -0.0
If winner is:HomeTieAway
Week of 12/1100.0*Average seed
LKB vs SG+0.9-0.8-0.9
GOLD vs JLG-0.4+0.4+0.4
BOOM vs HELS-0.1+0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
41-0-0Out2825478,615,763
3.50-0-1Out1189351,700
30-1-0Out4968,620,037
Total:Out1412254917,587,500
Games Above .500
Chance Will Make Playoffs