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
ITA 4 SUI 6 -5.8
-0.3
USA 8 GER 5 -2.6
-0.0
CAN 10 JAP 2 +0.7
+0.0
RUS 4 JAP 12 -0.4
-0.0
CHI 7 NOR 6 +0.3
SWE 6 SCO 4 -0.1
+0.0
If winner is:HomeAway
CHI vs USA+3.6-2.4
-0.2+0.1
ITA vs SCO+1.7-2.5
+0.7-1.0
NOR vs GER-0.1+0.1
If winner is:HomeAway
Thursday, 4/6100.0*Chance in playoffs100.0*Average seed
CAN vs ITA-1.0+10.4
-0.1+0.9
NOR vs ITA-2.4+1.6
-0.8+0.6
JAP vs CHI-1.8+2.2
USA vs NED-0.5+3.4
-0.0+0.1
USA vs SWE-2.2+0.9
JAP vs SUI-1.9+0.6
-0.1+0.0
SUI vs CHI+0.4-1.6
+0.1-0.3
GER vs SCO+0.1-0.0
SCO vs RUS-0.0+0.1
NOR vs CAN-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
73-031.7%032608691,707
62-14.542961508,179,162
51-2Out22342294010,029,414
40-3Out42555153,259,925
Total:2.7%031433221710222,160,208
Games Above .500
Chance Will Make Playoffs