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 -12.4
-0.4
Gonzalo 144 Bryn 107 +9.4
+0.1
James 94 Daneen 77 -2.1
Kevin 148 Emily 64 -1.7
Karlyn 88 Maurice 107 -0.1
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
James vs Luke-23.5+23.5
-0.8+0.8
Bryn vs Kevin-9.0+9.0
-0.1+0.1
Ryan vs Maurice-0.1+0.1
-0.1+0.1
Graham vs Daneen+0.1-0.1

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
73-093.0%187571,688,222
62-137.53750125,058,274
51-23.0327571215,061,746
40-3Out204033701,688,886
Total:26.8%2253029951013,497,128
Games Above .500
Chance Will Make Playoffs