How are these numbers calculated?

Big Games

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

Tuesday, 3/19100.0*Chance in playoffs100.0*Average seed
usa 6 sui 7 -8.9
-1.1
usa 10 jpn 3 +5.5
+1.1
chn 7 ger 5 +1.4
+0.1
swe 4 chn 6 +1.1
sco 9 lat 5 -0.9
rus 9 lat 7 -0.6
den 4 rus 5 -0.6
jpn 6 ita 4 -0.6
den 6 ger 5 +0.6
+0.1
sco 11 sui 4 -0.6
can 7 ita 6 -0.5
swe 8 can 4 -0.3
+0.1
Wednesday, 3/20100.0*Chance in playoffs100.0*Average seed
chn 9 usa 5 -6.6
-1.0
usa 9 lat 2 +6.6
+0.9
den 6 sco 8 -2.7
-0.1
swe 9 jpn 4 -1.0
+0.1
sui 4 can 7 +0.8
rus 10 jpn 3 -0.7
+0.1
ger 3 sui 7 -0.7
rus 3 swe 10 -0.2
+0.1
lat 3 chn 7 -0.1
Thursday, 3/21100.0*Chance in playoffs100.0*Average seed
ita 4 sco 8 Out
-0.1
sco 9 rus 2 Out
+0.1
usa 4 sco 8 Out
-0.9
can 7 chn 4 -1.5
jpn 4 can 8 -1.5
-0.2
lat 8 sui 7 +0.2
swe 8 ger 6 +0.1
If winner is:HomeAway
rus vs usa-1.2+1.2
chn vs jpn-0.4+0.4
sui vs den-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-0Out90104,169,573
50-1Out203034164,171,923
Total:Out4515151788,341,496
Games Above .500
Chance Will Make Playoffs