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
Simon 82.92 Jack 99.62 +18.7
+1.2
Busayo 52.22 Gerrit 74.5 -2.2
-0.2
Avi 88.92 Angel 74.84 -1.5
Tyler 68.62 Tyrone 83.8 +1.2
+0.1
Walter 101.26 Declan 60.88 -0.5
-0.1
Aidan 92.3 Holden 78.8 +0.1
+0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Aidan 45.3 Jack 106.52 +24.4
+1.2
Avi 101.44 Tyrone 96.08 -4.3
-0.1
Tyler 77.12 Holden 81.5 -2.2
Simon 105.72 Gerrit 82.32 -1.8
Walter 93.98 Angel 74.86 -0.9
Busayo 109.74 Declan 110.76 -0.3
-0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Jack vs Tyler+37.1-37.1
+0.9-0.9
Declan vs Simon+12.9-12.9
+0.2-0.2
Gerrit vs Aidan+4.2-4.2
+0.1-0.1
Tyrone vs Walter+0.9-0.9
+0.1-0.1
Holden vs Avi+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-091.5%573599,644,921
70-117.2174528919,641,007
Total:54.4%282627144019,285,928
Games Above .500
Chance Will Make Playoffs