How are these numbers calculated?

Big Games

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

Week of 8/13100.0*Chance in playoffs100.0*Average seed
Mafia 5 Puckin 8 -19.1
-1.2
Crease 17 Disco 11 +3.8
+0.2
Buddies 8 Glory 12 +3.4
+0.2
Butt 14 Jeb 5 +2.1
-0.1
Jazz 7 Yeo 9 +1.4
+0.2
Week of 8/20100.0*Chance in playoffs100.0*Average seed
Jeb 6 Mafia 15 +15.0
+1.3
Yeo 5 Buddies 4 +3.7
+0.2
Disco 5 Jazz 3 -3.1
Puckin 7 Crease 9 +2.1
Glory 10 Butt 6 +2.1
+0.2
If winner is:HomeAway
Week of 8/27100.0*Chance in playoffs100.0*Average seed
Mafia vs Glory+37.5Out
+1.3-1.3
Disco vs Buddies-12.5+12.5
-0.1+0.1
Puckin vs Jeb-12.5+12.5
+0.1-0.1
Yeo vs Butt+0.3-0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
51-075.0%38382514,141,208
40-1Out1437351314,149,532
Total:37.5%1919201917728,290,740
Games Above .500
Chance Will Make Playoffs