How are these numbers calculated?

Big Games

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

Week of 2/26100.0*Average seed
LeitrimHawksB7 3 CumberlandB6 1 -0.3
If winner is:HomeTieAway
Week of 3/3100.0*Average seed
OrleansB2 vs CumberlandB2-0.5-0.5+0.5

What If

Chances based on how well the CumberlandB2 finish out the regular season.   Explain

100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TWW-L-Twins title12345678910111213Count
111-0-0No1008,840,908
10-10.5No10010,761,929*
Total:No455519,602,837

* Row combines multiple less frequent records.

Games Above .500
Chance Will Win Championship