How are these numbers calculated?

Big Games

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

Week of 6/15100.0*Chance in playoffs100.0*Average seed
Itália 4 Japão 3 +26.4
+0.6
Brasil 3 México 0 +2.9
-0.0
Brasil 3 Japão 0 -0.2
Week of 6/22100.0*Chance in playoffs100.0*Average seed
Itália 2 Brasil 4 -0.4

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
60-0-0In10056,812,949,856
Total:In10056,812,949,856
Points
Chance Will Make Playoffs