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 +2.7
+0.7
Finkle 81 Todd 110 +0.7
-0.1
Ant 68 Zukie 54 -0.3
+0.1
Dylan 62 Kyle 111 +0.2
Skud 114 Chud 73 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Mike 109 Ant 85 +16.4
+0.9
Zukie 105 Dylan 76 +5.1
+0.1
Kyle 93 John 84 +1.5
+0.0
Finkle 89 Skud 112 -0.5
Chud 86 Adam 120 -0.3
-0.0
Todd 94 James 100 +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
Adam vs Skud+7.4-9.9
+0.2-0.3
John vs Ant-9.9+7.4
-0.3+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
71-095.2%6827529,570,634
60-113.413394829,573,558
Total:54.3%3420222459,144,192
Games Above .500
Chance Will Make Playoffs