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
Nick 100.94 Hirson 79.74 -17.4
-0.8
Alex 78.86 Mitch 66.34 -2.1
Peter 119.92 Kyle 96.36 -1.1
-0.0
Stefan 106.64 Courtney 91.98 -0.5
Caitlin 102.72 Domir 113.22 +0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Hirson 142.9 Stefan 101.32 +18.2
+0.8
Courtney 94.06 Alex 93.2 +8.0
+0.1
Peter 83.88 Nick 73.04 -4.1
-0.1
Mitch 161.86 Domir 105.04 +1.5
-0.1
Kyle 102.72 Caitlin 139.4 -0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
Alex vs Hirson-27.8In
-0.5+0.4
Peter vs Stefan-12.4In
-0.2+0.4
Courtney vs Mitch-6.1+6.1
-0.1+0.1
Caitlin vs Nick+4.7-6.1
+0.4-0.5

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
81-0In574339,345,243
70-150.9%213045430,090,177
Total:78.7%413720269,435,420
Games Above .500
Chance Will Make Playoffs