How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
Aidan 92.3 Holden 78.8 +13.7
+0.8
Busayo 52.22 Gerrit 74.5 -1.5
-0.1
Tyler 68.62 Tyrone 83.8 +1.3
+0.1
Avi 88.92 Angel 74.84 -1.1
-0.1
Simon 82.92 Jack 99.62 +0.5
+0.1
Walter 101.26 Declan 60.88 +0.2
+0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Aidan 45.3 Jack 106.52 -6.2
-0.6
Avi 101.44 Tyrone 96.08 -2.1
-0.3
Simon 105.72 Gerrit 82.32 +2.0
Busayo 109.74 Declan 110.76 -0.3
-0.2
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Declan vs SimonIn-12.5
+0.2-0.2
Gerrit vs Aidan-12.5In
-0.8+0.8
Jack vs Tyler-12.5In
-0.2+0.2
Holden vs Avi+0.3-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In446509,643,648
80-175.1%02550259,642,280
Total:87.5%22337251219,285,928
Games Above .500
Chance Will Make Playoffs