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
Busayo 52.22 Gerrit 74.5 +2.5
+0.3
Tyler 68.62 Tyrone 83.8 +1.4
+0.2
Simon 82.92 Jack 99.62 +1.3
-0.1
Walter 101.26 Declan 60.88 -0.3
-0.2
Aidan 92.3 Holden 78.8 +0.1
+0.1
Avi 88.92 Angel 74.84 +0.1
+0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Simon 105.72 Gerrit 82.32 -19.6
-1.4
Aidan 45.3 Jack 106.52 -4.7
-0.1
Avi 101.44 Tyrone 96.08 -0.4
Walter 93.98 Angel 74.86 -0.2
Tyler 77.12 Holden 81.5 -0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Gerrit vs Aidan+0.2Out
+1.1-0.6
Jack vs TylerOut+0.2
+0.1-0.1
Declan vs Simon+0.0Out
Holden vs Avi-0.2+0.1
Tyrone vs Walter+0.3-0.1
Angel vs Busayo-0.1+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-00.3%0335461621,466,197
60-1Out184440738,964,403
Total:0.1%0113223426560,430,600
Games Above .500
Chance Will Make Playoffs