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
Gunn 139.42 McCarthy 114.74 -14.5
-1.2
Iezzi 123.92 PaulMonte 138.76 +2.1
+0.1
Cook 98.24 Haz 66.96 -1.7
Tra 96.46 Kingsland 131.12 -1.2
MikeMar 90.44 Ciccone 115 +1.1
+0.1
If winner is:HomeAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Haz vs McCarthy-23.9+23.9
-1.6+1.6
Tra vs Becky+2.9-2.9
+0.1-0.1
Cook vs Ciccone-1.9+1.9
-0.1+0.1
Dishes vs PaulMonte-1.8+1.8
-0.1+0.1
MikeMar vs Kingsland+1.8-1.8
+0.1-0.1
Gunn vs Iezzi+0.1-0.1
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
82-0In85334504,500,985
71-191.9%162337267108,996,284
60-22.300210293917304,502,275
Total:71.5%21412131813681041017,999,544
Games Above .500
Chance Will Make Playoffs