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
Walter 101.26 Declan 60.88 -0.1
-0.2
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Aidan 45.3 Jack 106.52 -0.2
+0.1
Busayo 109.74 Declan 110.76 In
+0.0
Simon 105.72 Gerrit 82.32 -0.1
Avi 101.44 Tyrone 96.08 -0.0
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Declan vs Simon+0.2-0.3
Holden vs Avi+0.2-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In10039,554,792
90-1In485220,875,808
Total:In821860,430,600
Games Above .500
Chance Will Make Playoffs