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
France 72 Japan 14 -7.9
+20.6
-1.4
Ireland 19 Australia 17 -1.3
-0.5
Canada 98 Hong Kong 0 -0.2
-1.2
+0.0
Ireland 24 Japan 14 Out
+2.4
-0.1
United States 24 Italy 12 -0.1
New Zealand 121 Hong Kong 0 -1.3
+0.0
United States 43 Spain 0 -1.1
+0.0
England 56 Italy 13 -1.0
+0.0
Canada 15 Wales 0 -1.3
+0.0
If winner is:HomeDrawAway
France vs Australia-1.2-1.2+9.1
+0.0+0.0-0.2
If winner is:HomeDrawAway
Week of 8/17100.0*Chance in playoffs100.0*9th-12th Playoffs100.0*Average seed
Australia vs JapanYesYes-53.8
-0.8+0.1+2.1
Wales vs Hong Kong+4.9-5.7-4.8
+0.2-0.4-0.1
Italy vs Spain+2.5-6.0-2.3
+0.1-0.2-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed9th-12th
TPW-D-Lplayoffs123456789101112PlayoffsCount
41-0-0Out343924327.0%11,172,612
20-1-0Out100Yes508,281
00-0-1Out354421Yes30,740,139
Total:Out910627321680.8%42,421,032
Games Above .500
Chance Will Make Playoffs