How are these numbers calculated?

Big Games

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

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Sacred Heart 15 Lumberton 48 -0.4
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
Sacred Heart vs Stringer-10.5+10.5
-0.7+0.7
Lumberton vs Salem+1.4-1.4
Bogue Chitto vs Mount Olive+1.2-1.2
+0.1-0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
64-0In10018,743,919
53-1In8218074,550,531
42-2100.0%22482730111,836,872
31-370.3042541254074,544,558
20-43.50327482218,738,764
Total:86.5%35241712841298,414,644
Games Above .500
Chance Will Make Playoffs