With more than 99 % of votes counted , incumbent Dilma Rousseff had 51.59 % of the vote . Comment: The Brazilian electoral system is based on proportional representation ( which means that each party gets a certain number of seats ) and it's very difficult to win an election without winning at least one seat Result was n't a vote for change , but the President knows she must make changes . But the scaremongering from the government 's camp that Silva 's lack of political support could lead her government to collapse made her support drop as quickly as it had risen . Simões : Rousseff did n't win because of her plan for the future -- she won for past performance .
With more than 99 % of votes counted , incumbent Dilma Rousseff had 51.59 % of the vote . Comment: The Brazilian electoral system is based on proportional representation ( which means that each party gets a certain number of seats ) and it's very difficult to win an election without winning at least one seat Result was n't a vote for change , but the President knows she must make changes . Simões : Rousseff did n't win because of her plan for the future -- she won for past performance .