How are these numbers calculated?

Big Games

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

Week of 10/13100.0*Chance in playoffs100.0*Average seed
DC United 1 FC Dallas 0 -19.7
-0.2
DC United 1 Toronto FC 0 -16.1
-0.2
New England 2 Orlando 0 -0.4
RSL 4 New England 1 +0.1
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Montreal 2 Toronto FC 0 +14.7
+0.2
DC United 3 NYCFC 1 -6.3
-0.1
Orlando 2 Columbus 1 +2.6
Week of 10/28100.0*Chance in playoffs100.0*Average seed
Columbus 3 Minnesota 2 Out
-0.2
New England 1 Montreal 0 Out
-0.2
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 10/13100.0*Lottery seed
DC United 1 FC Dallas 0 +0.5
DC United 1 Toronto FC 0 +0.3
Vancouver 1 Sporting KC 4 -0.1
Week of 10/21100.0*Lottery seed
Montreal 2 Toronto FC 0 -0.8
Minnesota 1 LA Galaxy 3 +0.2
DC United 3 NYCFC 1 +0.1
Orlando 2 Columbus 1 -0.1
LAFC 2 Vancouver 2 -0.0
Week of 10/28100.0*Lottery seed
New England 1 Montreal 0 +1.0
Columbus 3 Minnesota 2 +0.4
Vancouver 2 Portland 1 +0.2
LA Galaxy 2 Houston 3 -0.1