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 +5.4
+0.4
Tyler 68.62 Tyrone 83.8 +0.9
Simon 82.92 Jack 99.62 +0.4
+0.1
Busayo 52.22 Gerrit 74.5 -0.2
Avi 88.92 Angel 74.84 -0.1
Walter 101.26 Declan 60.88 +0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Aidan 45.3 Jack 106.52 -5.6
-0.7
Simon 105.72 Gerrit 82.32 +1.0
Avi 101.44 Tyrone 96.08 -0.3
-0.1
Busayo 109.74 Declan 110.76 -0.0
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Declan vs SimonIn-14.8
+0.1-0.2
Gerrit vs Aidan-14.1In
-0.9+0.5
Jack vs Tyler-4.3In
-0.1+0.2
Holden vs Avi+0.4-0.2

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
91-0In1356438,964,403
80-178.1%024542221,466,197
Total:92.2%1234919860,430,600
Games Above .500
Chance Will Make Playoffs