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 +17.5
+1.2
Iezzi 108.94 Kingsland 114.16 +1.3
+0.1
PaulMonte 67.22 McCarthy 96.86 -0.7
MikeMar 131.18 Cook 92.78 +0.5
Dishes 121.88 Ciccone 109.34 -0.5
Tra 108.4 Haz 77.78 +0.2
If winner is:HomeAway
Week of 11/9100.0*Chance in playoffs100.0*Average seed
Gunn vs Becky-17.9+17.9
-1.2+1.2
PaulMonte vs Iezzi+1.4-1.4
+0.1-0.1
Tra vs Haz+1.0-1.0
+0.1-0.1
Dishes vs Ciccone-0.8+0.8
-0.1+0.1
MikeMar vs Cook-0.2+0.2
McCarthy vs Kingsland+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
94-0In4549600684,063
83-1100.0%53340183002,731,236
72-291.201625362481004,094,420
61-313.0002112834205002,730,516
50-40.00052038298684,101
Total:68.7%41113141512109642110,924,336
Games Above .500
Chance Will Make Playoffs