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 -9.7
-0.7
Finkle 81 Todd 110 +3.8
+0.1
James 112 Adam 73 +1.0
+0.1
Dylan 62 Kyle 111 +1.0
+0.1
Skud 114 Chud 73 -0.7
Ant 68 Zukie 54 +0.1
-0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Kyle 93 John 84 -13.7
-0.7
Mike 109 Ant 85 -3.1
+0.1
Chud 86 Adam 120 -2.4
-0.2
Zukie 105 Dylan 76 +2.0
+0.2
Finkle 89 Skud 112 +0.6
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
John vs Ant+33.3-33.3
+0.8-0.8
Adam vs Skud+16.7-16.7
+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-083.3%4242179,642,090
60-116.71742429,643,838
Total:50.0%2129292119,285,928
Games Above .500
Chance Will Make Playoffs