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
Mike 99 John 97 +5.4
+0.6
Dylan 62 Kyle 111 +1.4
Finkle 81 Todd 110 +1.4
Ant 68 Zukie 54 -1.2
+0.1
James 112 Adam 73 +0.7
Skud 114 Chud 73 -0.4
-0.2
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Mike 109 Ant 85 +15.8
+0.8
Zukie 105 Dylan 76 +6.4
+0.1
Kyle 93 John 84 +2.7
+0.1
Chud 86 Adam 120 -2.5
-0.1
Finkle 89 Skud 112 +0.1
Todd 94 James 100 +0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Dylan vs Mike-41.7+41.7
-1.0+1.0
Adam vs Skud+8.3-8.3
+0.3-0.2
John vs Ant-8.3+8.3
-0.2+0.2

What If

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

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