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
Gonzalo 144 Bryn 107 -17.5
-0.7
Ryan 116 Luke 97 +6.6
+0.1
James 94 Daneen 77 -3.3
-0.1
Kevin 148 Emily 64 -1.6
-0.1
Karlyn 88 Maurice 107 -0.2
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Bryn vs Kevin+21.4-21.3
+0.5-0.5
James vs Luke-0.9+0.9
Karlyn vs Gonzalo-0.2+0.2
Ryan vs Maurice+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
83-0In043245181,688,828
72-180.1%11069205,058,665
61-218.71962195,057,859
50-30.912564101,691,776
Total:49.7%01410353415113,497,128
Games Above .500
Chance Will Make Playoffs