How are these numbers calculated?

Big Games

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

Week of 6/2100.0*Average seed
Blues Brothers 4 Stingrays 4 -0.3
Iced Out 2 Top Shelf 2 -0.1
If winner is:HomeTieAway
Week of 6/9100.0*Average seed
Top Shelf vs Blues Brothers-0.5-0.5+1.1
Stingrays vs Heavy Breathers-0.2-0.2+0.1

What If

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

100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Twins title12345678Count
101-0-0No604013,663,206
8-9No10032,667,258*
Total:No18127146,330,464

* Row combines multiple less frequent records.

Games Above .500
Chance Will Win Championship