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
BOOM 90 BUYS 79 +0.4
HELS 78 LKB 100 -0.1
Week of 11/24100.0*Average seed
SG 75 BOOM 117 +0.4
SBR 82 LKB 57 +0.0
If winner is:HomeTieAway
Week of 12/1100.0*Average seed
BOOM vs HELS+1.3-0.4-0.4
LKB vs SG-0.3+0.3+0.2
GOLD vs JLG-0.2+0.0+0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
41-0-0Out3359811,774,826
3.50-0-1Out56441,053,655
30-1-0Out544639,934,019
Total:Out713443552,762,500
Games Above .500
Chance Will Make Playoffs