How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Peter 119.92 Kyle 96.36 +13.1
+1.0
Alex 78.86 Mitch 66.34 -1.8
Caitlin 102.72 Domir 113.22 +1.5
+0.1
Stefan 106.64 Courtney 91.98 +1.4
+0.1
Nick 100.94 Hirson 79.74 -0.3
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Peter 83.88 Nick 73.04 +33.8
+1.2
Courtney 94.06 Alex 93.2 +3.4
+0.1
Kyle 102.72 Caitlin 139.4 -3.4
-0.1
Mitch 161.86 Domir 105.04 +1.4
-0.1
Hirson 142.9 Stefan 101.32 -0.5
-0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Caitlin vs NickIn-25.0
+0.1-0.1
Peter vs StefanIn-25.0
+1.0-1.0
Courtney vs Mitch-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
81-0In45302510,926,513
70-150.0%5025131210,932,227
Total:75.0%221538136621,858,740
Games Above .500
Chance Will Make Playoffs