How are these numbers calculated?

Big Games

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

Week of 2/10100.0*Average seed
BmgtnB 1 NP 4 -0.7
BmgtnB 1 EdinaB 0 +0.6
PLake 0 EdinaG 5 +0.1
NP 0 EdinaG 2 +0.1
NP 6 Shak 1 -0.1
MtkaB 2 CC 0 +0.1
CC 0 EdinaW 3 +0.1
Burn 1 MtkaBlk 3 +0.1
EP 3 Burn 0 +0.1
Week of 2/16100.0*Average seed
Waconia 2 PLake 0 +0.1
EdinaB 4 NP 2 +0.1
EP 6 CC 2 +0.1
Waconia 4 CC 5 -0.1
BmgtnW 1 EdinaG 2 +0.1
PLake 0 NP 3 -0.1
Week of 2/24100.0*Average seed
EdinaG 6 BmgtnB 0 -0.3
BmgtnB 0 BmgtnW 1 -0.3
EdinaW 14 CC 2 +0.1
PLake 4 Shak 0 -0.1
If winner is:HomeTieAway
PLake vs MtkaBlk-0.3-0.0+0.3
PLake vs EdinaB-0.3-0.0+0.3
BmgtnB vs MtkaB+0.3-0.2-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314Count
281-0-0Out74265,496,990
270-0-1Out31691,859,456
260-1-0Out23775,497,478
Total:Out465412,853,924
Points
Chance Will Make Playoffs