How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Average seed
Fuhgeddaboudit 98.46 Washington Sent 53.4 -0.2
If winner is:HomeAway
Bad Luck Brian vs Vinegar Strokes-0.1+0.1
If winner is:HomeAway
Week of 11/27100.0*Average seed
Bad Luck Brian vs STONE COLD ET-0.1+0.1
Jake Took VYs L vs Washington Sent-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-LplayoffsPromoted123456789101112Count
31-0OutNo28725,140,580
20-1OutNo1995,140,564
Total:OutNo158510,281,144
Games Above .500
Chance Will Make Playoffs