How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Dylan 62 Kyle 111 -9.9
-0.8
Finkle 81 Todd 110 +3.3
+0.1
James 112 Adam 73 +0.9
+0.1
Skud 114 Chud 73 -0.6
Ant 68 Zukie 54 +0.1
-0.1
Mike 99 John 97 -0.1
+0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Zukie 105 Dylan 76 -16.2
-0.7
Mike 109 Ant 85 -6.3
-0.1
Chud 86 Adam 120 -2.1
-0.2
Kyle 93 John 84 +2.1
+0.2
Finkle 89 Skud 112 +0.2
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Dylan vs Mike+41.7-41.6
+1.0-1.0
John vs Ant-8.4+8.4
-0.3+0.3
Adam vs Skud+8.3-8.3
+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-091.7%583389,638,305
60-18.3833589,647,623
Total:50.0%2921212919,285,928
Games Above .500
Chance Will Make Playoffs