How are these numbers calculated?

Big Games

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

Week of 5/27100.0*Chance in playoffs100.0*Average seed
Blades 7 Broomsday 0 -16.5
-0.1
Broomtown 2 Defectors 6 -8.0
-0.1
Week of 6/3100.0*Chance in playoffs100.0*Average seed
Blades 6 Broomtown 3 Out
-0.1
Defectors 8 Broomsday 0 +0.0
If winner is:HomeTieAway
Week of 6/10100.0*Chance in playoffs100.0*Average seed
Broomtown vs Broomsday+0.1+0.1-0.9

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234Count
4-6Out100277,676,599*
30-1-0Out10030,757,889
Total:Out9010308,434,488

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs