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
Finkle 81 Todd 110 +4.6
+0.1
Dylan 62 Kyle 111 -3.6
-0.4
Mike 99 John 97 +1.2
+0.2
Ant 68 Zukie 54 -0.3
-0.1
James 112 Adam 73 +0.2
+0.1
Skud 114 Chud 73 -0.2
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Zukie 105 Dylan 76 -12.3
-0.7
Mike 109 Ant 85 -5.3
Kyle 93 John 84 +0.9
+0.1
Finkle 89 Skud 112 -0.6
Chud 86 Adam 120 -0.2
-0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Dylan vs Mike+40.9-40.9
+1.0-1.0
John vs Ant-9.9+7.4
-0.3+0.2
Adam vs Skud+7.4-9.9
+0.2-0.3

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
71-095.2%06827529,573,558
60-113.413394829,570,634
Total:54.3%03420222459,144,192
Games Above .500
Chance Will Make Playoffs