How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 4/1100.0*Chance in playoffs100.0*Average seed
Fehr Shake vs TY Bettman+12.0-7.0
+1.4-0.8
IanPJgay vs WidemanMoney-0.4+0.8
aki butthole vs Quack Attack-0.5+0.7
McLellanDay vs VirginTerrorist-0.5+0.6
MieleMiele vs KassianGreen+0.6-0.5
CookeUmburger vs DevilShi-0.6+0.4
SchwartzBurns vs Rum Hamrlik+0.3-0.2
SeminEnnis vs Greg's Goodies+0.2-0.2
StreitWhite vs Crazy Pizza+0.1-0.1
-0.1+0.0

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314151617181920Count
00-1-014.1%30011234456678101213104117,906,432
1-0-033.10124677766666678752010,334,008
Total:21.0%211234455566779111183128,240,440
Points
Chance Will Make Playoffs