How are these numbers calculated?

Big Games

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

Week of 5/12None
Week of 5/18100.0*Chance in playoffs100.0*Average seed
Velez Sarsfield 2 Union La Calera 1 +25.7
+0.4
Flamengo 2 LDU 2 +7.1
+0.1
If winner is:HomeDrawAway
Week of 5/25100.0*Chance in playoffs100.0*Average seed
Flamengo vs Velez Sarsfield-0.4-0.4+0.6

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
121-0-0In1006,683,303,257
9-10In10010,892,978,535*
Total:In386217,576,281,792

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs