How are these numbers calculated?

Big Games

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

Week of 5/7100.0*Chance in playoffs100.0*Average seed
Disco 4 Butt 8 +31.8
+1.0
4th 1 Glory 10 +3.6
+0.1
Mafia 7 Puckin 6 -1.8
OBC 0 Four 5 +0.7
Week of 5/14100.0*Chance in playoffs100.0*Average seed
Four 8 4th 12 -9.6
-0.1
Butt 11 Jazz 4 +9.2
+0.2
Glory 10 Mafia 5 -0.9
+0.1
Puckin 3 Disco 4 +0.6
Yeo 1 OBC 14 -0.1
-0.0
If winner is:HomeAway
Week of 5/21100.0*Chance in playoffs100.0*Average seed
Mafia vs Four-5.4In
-0.3+0.6
Yeo vs 4thIn-4.5
+0.1-0.0
Butt vs OBCIn-3.8
+0.6-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
71-0In010021,929,372
60-184.6%34501568,088,448
Total:88.3%050381290,017,820
Games Above .500
Chance Will Make Playoffs