How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday, 8/16100.0*Chance in playoffs100.0*Average seed
USA 13 Cht 3 In
+0.2
Jap 10 Aus 0 +0.2
-0.1
If winner is:HomeAway
Friday, 8/17100.0*Chance in playoffs100.0*Average seed
Jap vs Can-0.8+0.2

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
61-0In07723102,639,105
50-1In772316,228,042
Total:In07723118,867,147
Games Above .500
Chance Will Make Playoffs