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
Butt 14 Jeb 5 -20.6
-0.8
Crease 17 Disco 11 +3.6
+0.1
Mafia 5 Puckin 8 +1.3
Buddies 8 Glory 12 +0.9
+0.1
Jazz 7 Yeo 9 -0.6
Week of 8/20100.0*Chance in playoffs100.0*Average seed
Jeb 6 Mafia 15 -18.2
-0.9
Glory 10 Butt 6 +6.6
+0.2
Disco 5 Jazz 3 -5.6
-0.2
Puckin 7 Crease 9 -1.5
Yeo 5 Buddies 4 -1.4
+0.1
If winner is:HomeAway
Week of 8/27100.0*Chance in playoffs100.0*Average seed
Yeo vs Butt+12.5Out
+0.2-0.2
Puckin vs JebOut+12.5
-1.2+1.2
Mafia vs GloryOut+12.5
-0.2+0.2
Disco vs Buddies+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
51-025.0%25502514,145,022
40-1Out643614,145,718
Total:12.5%122512321828,290,740
Games Above .500
Chance Will Make Playoffs