How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Average seed
BRAD 141.9 GUY 91.5 -0.2
If winner is:HomeAway
Week of 11/26100.0*Average seed
SUCK vs GUY-0.3+0.3
FEFE vs BRAD+0.2-0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
92-0In9733,858,612
81-1In69317,706,876
70-2In954373,861,240
Total:In6130915,426,728
Games Above .500
Chance Will Make Playoffs