How are these numbers calculated?

Big Games

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

Week of 11/2100.0*Chance in playoffs100.0*Average seed
Gunn 88.94 Becky 113.46 -10.9
-0.9
Iezzi 108.94 Kingsland 114.16 +1.9
+0.1
MikeMar 131.18 Cook 92.78 +0.9
Dishes 121.88 Ciccone 109.34 -0.7
-0.0
PaulMonte 67.22 McCarthy 96.86 -0.2
-0.1
Tra 108.4 Haz 77.78 +0.1
If winner is:HomeAway
Week of 11/9100.0*Chance in playoffs100.0*Average seed
Gunn vs Becky+16.9-16.9
+0.9-0.9
PaulMonte vs Iezzi+2.6-1.2
+0.1-0.0
MikeMar vs Cook-1.2+1.2
Dishes vs Ciccone-0.7+1.5
-0.1+0.1
Tra vs Haz+0.6-0.9
+0.1-0.1
McCarthy vs Kingsland-0.0+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
94-0In8652432,583,101
83-1100.0%083343152009,698,856
72-283.30011033401520012,890,793
61-316.9001163933101007,005,443
50-40.104213929701,238,007
Total:72.4%1712161719148410033,416,200
Games Above .500
Chance Will Make Playoffs