Translation:A change of this type is not impossible.
A change of this type? Is it related to type of something or like a level (importance)? Or it can be both?
It would most likely be type of something, but it could be both depending on the context.
That is definitely one way to interpret it, though this is definetly a sentence that would make much greater sense in context.
Not necessarily. It is like: "A change of this kind" which could refer to both a change in the type of situation or magnitude of the situation".