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
Craig 49.98 Emily 73.1 +14.7
+0.9
Megan 89.82 Gavin 150.04 +2.0
+0.1
Scott 62.28 Steve 77.56 +1.9
Ross 153.02 Randy 99.22 -1.6
-0.0
Ben 117.1 Hutton 76.02 -0.3
-0.1
If winner is:HomeTieAway
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Emily vs Randy+2.1+1.9-2.5
+0.8-0.2-1.0
Steve vs Craig+1.0-0.7-1.8
-0.0-0.1+0.1
Ben vs Megan+0.9+0.1-1.9
Hutton vs Scott+0.7+0.7-1.3
Gavin vs Ross+0.3-0.4-0.4
+0.2-0.1-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
72-0-0In117423451,663,519,414
6.51-0-1In116592318,120,473
61-1-0100.0%06394213104,793,832,755
0-0-2In338451409,402
5.50-1-199.63285811010,515,013
50-2-093.355830602,860,271,623
Total:97.9%031026242410209,336,268,680
Games Above .500
Chance Will Make Playoffs