Lets say I have a location names like

Newyork.info
Newyork.org
Newyork.net
Newyork.us

If one of them is 100% of the value, what will be the value of other extensions?

Newyork.info 90%
Newyork.us 100% (if location is in America, obviously)
Newyork.org 75%
Newyork.net 30% (.net sucks for location type sites/domains)

With your example newyork I would rank as follows.

newyork.us
newyork.org
newyork.info
newyork.net

newyork.us will be best

No question in my view that newyork.org is far and away the best.

I think that .info is much stronger for locations.

.net doesn’t go that well with location/city names as compared to .info, .net is best suited for commercial and networking related sites. Even .org doesn’t match that well for a city name unless ofcourse it’s for an organisation based in that particular city.