How are these numbers calculated?

Big Games

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

Week of 5/12100.0*Chance in playoffs100.0*Average seed
Fluminense 2 Santa Fe 1 +12.0
+0.3
Junior Barranquilla 1 River Plate 1 +0.8
+0.1
Week of 5/18100.0*Chance in playoffs100.0*Average seed
Fluminense 1 Junior Barranquilla 2 -18.3
-0.4
River Plate 2 Santa Fe 1 -0.3
-0.1
Week of 5/25100.0*Chance in playoffs100.0*Average seed
River Plate 1 Fluminense 3 In
+1.0
Santa Fe 0 Junior Barranquilla 0 In
+0.3

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
110-0-0In10054,085,997,376
Total:In10054,085,997,376
Points
Chance Will Make Playoffs