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
Disco 10 Yeo 3 -0.1
-0.3
Jazz 3 Glory 10 +0.0
If winner is:HomeAway
Week of 4/30100.0*Chance in playoffs100.0*Average seed
Yeo vs Butt+0.3-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
44-00.0%0018453430269,015
33-1Out09553423,520,050
22-2Out12583112,619,161
11-3Out158516,560,053
00-4Out1006,879,941
Total:0.0%00019286239,848,220
Games Above .500
Chance Will Make Playoffs