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*Chance in playoffs100.0*Average seed
MtkaB 4 MtkaBlk 1 -0.5
-0.4
NP 0 EdinaG 2 -0.2
CC 0 EdinaW 3 -0.1
EP 3 Burn 0 -0.1
-0.0
NP 6 Shak 1 +0.1
Burn 1 MtkaBlk 3 +0.1
BmgtnB 1 EdinaB 0 +0.3
MtkaB 2 CC 0 -0.0
Week of 2/16100.0*Chance in playoffs100.0*Average seed
MtkaBlk 4 EdinaW 3 +0.5
Shak 1 MtkaBlk 5 +0.1
EdinaB 4 NP 2 -0.0
Week of 2/24100.0*Chance in playoffs100.0*Average seed
EdinaW 14 CC 2 Out
EP 8 EdinaB 2 Out
EdinaG 1 MtkaB 2 -0.5
If winner is:HomeTieAway
BmgtnB vs MtkaB+0.6+0.6-0.2
PLake vs MtkaBlk-0.2-0.1+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314Count
381-0-0Out227824,720,056
370-0-1Out5954,925,961
360-1-0Out1004,413,411
Total:Out178334,059,428
Points
Chance Will Make Playoffs