How are these numbers calculated?

Big Games

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

Week of 11/17None
Week of 11/24100.0*Average seed
Ethan 114.22 Shara 122.28 -2.0
If winner is:HomeAway
Week of 12/1100.0*Average seed
Erica vs Shara+3.3-0.7

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In188224,807,348
90-1In18825,392,868
Total:In188230,200,216
Games Above .500
Chance Will Make Playoffs