How are these numbers calculated?

Big Games

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

Week of 8/9100.0*Chance in playoffs100.0*9th-12th Playoffs100.0*Average seed
England 56 Spain 5 +20.1
-19.7
+1.8
England 56 Italy 13 +4.5
No
+0.3
Canada 98 Hong Kong 0 -2.5
United States 43 Spain 0 -2.0
-0.1
New Zealand 121 Hong Kong 0 -1.1
-0.1
-0.0
Canada 15 Wales 0 -1.1
-0.1
-0.0
Ireland 24 Japan 14 -0.4
-0.0
United States 24 Italy 12 +0.0
If winner is:HomeDrawAway
Week of 8/17100.0*Chance in playoffs100.0*9th-12th Playoffs100.0*Average seed
Canada vs New Zealand-19.1-29.4+19.8
+0.0-0.1+0.0
England vs United StatesInIn-20.4
+1.5+0.6-1.5
Ireland vs France+0.1-5.1+0.1
+0.0-0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed9th-12th
TPW-D-Lplayoffs123456789101112PlayoffsCount
121-0-0In6139No20,957,900
100-1-0In6733No509,340
80-0-159.6%60400No20,953,792
Total:80.0%3020029200No42,421,032
Games Above .500
Chance Will Make Playoffs