How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Chance in playoffs100.0*Average seed
4th 7 Mafia 5 -19.6
-0.9
OBC 16 Puckin 6 +2.3
Disco 10 Yeo 3 -2.2
-0.1
Butt 8 Four 6 -0.7
Jazz 3 Glory 10 +0.5
If winner is:HomeAway
Week of 4/30100.0*Chance in playoffs100.0*Average seed
Mafia vs Disco+22.0-22.0
+0.9-0.9
Yeo vs Butt+2.8-2.8
+0.1-0.1
Glory vs OBC-0.8+0.8
Puckin vs 4th+0.6-0.6
Four vs Jazz+0.4-0.4

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
74-0100.0%23454100806,784
63-183.92334915103,211,156
52-222.62203930804,817,532
41-30.105254622203,213,846
30-4Out0947412804,622
Total:35.7%03122120181593012,853,940
Games Above .500
Chance Will Make Playoffs