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 +26.2
+0.9
4th 1 Glory 10 +5.6
+0.1
OBC 0 Four 5 +1.0
Mafia 7 Puckin 6 -0.3
Week of 5/14100.0*Chance in playoffs100.0*Average seed
Butt 11 Jazz 4 +10.0
+0.4
Four 8 4th 12 -7.6
-0.1
Puckin 3 Disco 4 +3.2
+0.1
Yeo 1 OBC 14 -0.8
-0.1
Glory 10 Mafia 5 +0.2
+0.2
If winner is:HomeAway
Week of 5/21100.0*Chance in playoffs100.0*Average seed
Mafia vs Four-9.0In
-0.3+0.3
Butt vs OBCIn-9.0
+0.3-0.3
Yeo vs 4thIn-9.0
+0.1-0.1

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
71-0In010014,144,496
60-182.1%50321814,146,244
Total:91.0%07516928,290,740
Games Above .500
Chance Will Make Playoffs