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
Junior Barranquilla 1 River Plate 1 +1.9
+0.0
Fluminense 2 Santa Fe 1 +1.1
-0.1
Week of 5/18100.0*Chance in playoffs100.0*Average seed
River Plate 2 Santa Fe 1 +13.4
+0.3
Fluminense 1 Junior Barranquilla 2 -11.8
+0.0
Week of 5/25100.0*Chance in playoffs100.0*Average seed
River Plate 1 Fluminense 3 -29.3
-1.0
Santa Fe 0 Junior Barranquilla 0 In
+0.1

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
90-0-0In10054,085,997,376
Total:In10054,085,997,376
Points
Chance Will Make Playoffs