How are these numbers calculated?

Big Games

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

Wednesday, 4/5100.0*Chance in playoffs100.0*Average seed
USA 8 GER 5 -5.1
-0.1
CAN 10 JAP 2 -4.2
-0.2
RUS 4 JAP 12 +1.5
+0.1
SWE 6 SCO 4 +0.7
+0.1
ITA 4 SUI 6 -0.3
+0.1
CHI 7 NOR 6 -0.1
If winner is:HomeAway
CHI vs USA+7.8-5.2
ITA vs SCO+0.6-0.9
+0.1-0.1
SUI vs SWE-0.7+0.7
If winner is:HomeAway
Thursday, 4/6100.0*Chance in playoffs100.0*Average seed
JAP vs SUI+15.5-4.8
+0.8-0.2
USA vs NED-2.0+13.4
-0.0+0.2
JAP vs CHI+6.1-7.3
+0.8-1.0
SUI vs CHI-1.6+6.2
USA vs SWE-5.5+2.1
-0.1+0.0
CAN vs ITA+0.1-0.8
+0.0-0.3
GER vs SCO+0.5-0.3
+0.2-0.2
SCO vs RUS-0.1+0.5
-0.0+0.3
NOR vs ITA-0.1+0.1
+0.1-0.1
NOR vs CAN-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
72-041.6%635582,850,122
61-14.0465274011,613,108
50-2Out315473317,696,978
Total:7.4%1743191912022,160,208
Games Above .500
Chance Will Make Playoffs