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+18.5-18.5
+2.5-2.5
IanPJgay vs WidemanMoney-1.6+1.6
aki butthole vs Quack Attack-1.6+1.6
MieleMiele vs KassianGreen+1.5-1.5
McLellanDay vs VirginTerrorist-1.3+1.3
CookeUmburger vs DevilShi-1.2+1.2
-0.1+0.1
SchwartzBurns vs Rum Hamrlik+0.8-0.8
StreitWhite vs Crazy Pizza+0.7-0.7
SeminEnnis vs Greg's Goodies+0.5-0.5
UncleDaddy vs FaulkYourself+0.1-0.1

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
01-0-043.6%002471010109877655432104,773,978
0-1-06.500011233456789121414934,773,502
Total:25.1%001245666666667898519,547,480
Points
Chance Will Make Playoffs