How are these numbers calculated?

Big Games

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

Week of 2/6100.0*Average seed
Frisch 44 SAR 34 -0.4
North Shore 41 Ramaz 46 -0.1
If winner is:HomeAway
Week of 2/20100.0*Average seed
Maayanot vs Frisch+0.3-0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
80-0In217940,491,432
Total:In217940,491,432
Games Above .500
Chance Will Make Playoffs