How are these numbers calculated?

Big Games

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

Week of 11/8100.0*Chance in playoffs100.0*Average seed
Ryan 116 Luke 97 -20.7
-0.5
Gonzalo 144 Bryn 107 +10.5
+0.1
James 94 Daneen 77 -2.1
-0.1
Kevin 148 Emily 64 -0.0
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
James vs Luke-26.2+26.2
-0.7+0.7
Bryn vs Kevin-14.4+7.4
-0.2+0.1
Ryan vs Maurice-0.2+0.0
-0.1+0.0
Graham vs Daneen+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
73-098.0%197924,170,610
62-149.44944717,397,698
51-23.1331651018,650,102
40-3Out6729405,418,582
Total:29.1%227293740045,636,992
Games Above .500
Chance Will Make Playoffs