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
Buddies 8 Glory 12 -6.0
-0.4
Crease 17 Disco 11 +3.8
+0.1
Mafia 5 Puckin 8 -3.5
Butt 14 Jeb 5 +1.5
-0.1
Jazz 7 Yeo 9 -0.2
Week of 8/20100.0*Chance in playoffs100.0*Average seed
Yeo 5 Buddies 4 -9.2
-0.8
Jeb 6 Mafia 15 +3.7
Glory 10 Butt 6 +3.0
+0.1
Puckin 7 Crease 9 +2.1
+0.0
Disco 5 Jazz 3 -1.2
-0.1
If winner is:HomeAway
Week of 8/27100.0*Chance in playoffs100.0*Average seed
Disco vs Buddies-0.7+0.8
Mafia vs Glory-0.4+0.2
Puckin vs Jeb+0.1-0.1
Yeo vs Butt-0.1+0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
41-0Out529422333,136,844
30-1Out693141,444,176
Total:Out21319491774,581,020
Games Above .500
Chance Will Make Playoffs