Was the election a signal of a changing electorate

The answer is "True".

Explanation:

The election is an organized decision-making mechanism, through which the candidate is chosen to occupy public offices by a community.

It doesn't appear to control but it describes, that even the current person is equivalently likely to lose.  It is not necessarily, to only the vote would change, given the people's faith that a specific person, that's why the election is a signal to change the electorate.