How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Chance in playoffs100.0*Average seed
Houston 2 Sporting KC 1 -6.3
-0.2
Colorado 1 FC Dallas 1 +0.8
+0.0
Minnesota 1 Sporting KC 1 +0.0
Week of 10/15100.0*Chance in playoffs100.0*Average seed
Colorado 1 Real Salt Lake 0 +8.2
+0.2
Seattle 4 FC Dallas 0 +8.2
+0.2
Vancouver 1 San Jose 1 -6.4
-0.1
Sporting KC 0 Houston 0 -1.2
-0.0
Portland 4 DC United 0 -0.2
Los Angeles 3 Minnesota 0 +0.0
Week of 10/22100.0*Chance in playoffs100.0*Average seed
San Jose 3 Minnesota 2 In
+0.7
FC Dallas 5 Los Angeles 1 -16.0
-0.3
Real Salt Lake 2 Sporting KC 1 -16.0
-0.3
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 10/7100.0*Lottery seed
Houston 2 Sporting KC 1 +0.2
NY Red Bulls 3 Vancouver 0 +0.1
Colorado 1 FC Dallas 1 -0.0
Week of 10/15100.0*Lottery seed
Colorado 1 Real Salt Lake 0 -0.2
Vancouver 1 San Jose 1 +0.2
New England 2 NYCFC 1 +0.2
Seattle 4 FC Dallas 0 -0.2
Toronto FC 1 Montreal 0 -0.1
Orlando 0 Columbus 1 -0.1
Chicago 3 Philadelphia 2 -0.1
Portland 4 DC United 0 +0.1
Los Angeles 3 Minnesota 0 -0.0
Sporting KC 0 Houston 0 +0.0
Week of 10/22100.0*Lottery seed
San Jose 3 Minnesota 2 -0.9
FC Dallas 5 Los Angeles 1 +0.4
Real Salt Lake 2 Sporting KC 1 +0.4
Montreal 2 New England 3 +0.2