How are these numbers calculated?

Big Games

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

Week of 7/9100.0*Average seed
Lefty 0 OG Capitals 1 -0.2
New Edinburgh Pub 4 Winmar 1 +0.1
Week of 7/16100.0*Average seed
Lefty 8 New Edinburgh Pub 4 +0.3
Moose Heads 2 Winmar 8 -0.3
If winner is:HomeHome OTHome SOTieAway SOAway OTAway
Week of 7/23100.0*Average seed
Gents vs Lefty-0.3-0.2-0.2+0.0+0.1+0.1+0.3
Winmar vs OG Capitals-0.3-0.2-0.2+0.0+0.1+0.1+0.3

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011Count
231-0-0In703014,648,084
220-0-1In43574,374,133
210-1-0In148614,645,269
Total:In425833,667,486
Games Above .500
Chance Will Make Playoffs