How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 5/3100.0*Average seed
U-20 Canada vs U-20 Nippon-0.1+0.1+0.1
U-20 Ireland vs U-20 Ghana+0.1-0.1-0.1

What If

Chances based on how well the U-20 Ireland finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345678Count
30-34In10016,016,778*
290-1-1In77231,647,345
280-0-2In54464,747,365
Total:In891122,411,488

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs