How are these numbers calculated?

Big Games

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

Week of 7/13100.0*Chance in playoffs100.0*Average seed
Vandelay 1 Winning! 2 +14.8
+1.6
Da Norms 2 Mazel Tov 3 +0.4
Fox 2 Beat 'em 1 +0.4
If winner is:HomeAway
Week of 7/20100.0*Chance in playoffs100.0*Average seed
Pickle vs Winning!-18.2+8.1
-1.8+0.8
Vandelay vs ServiceSource+0.6-0.3
+0.1-0.0
Schweddy vs Bad Dude+0.3-0.6
Recreational vs JKI+0.3-0.6
Da Norms vs 3 Crow-0.4+0.2
+0.1-0.0
Socks vs Mazel Tov+0.2-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
76-0In8713157,846
65-1In374218300771,895
54-2100.0%21327292071001,536,749
43-389.6001414242720920001,597,309
32-413.6000311222622124100906,556
21-50.00029212825123263,969
10-6Out0317384132,234
Total:76.3%910111010998654321105,266,558
Games Above .500
Chance Will Make Playoffs