Complex sentence: Pando's referendum, held on June 1,2008, won 82% approval among those who voted, but 46.5% of the registered electorate did vote, the highest abstention rate in the four departments holding such referenda.
Split into simpler sentences: Pando's referendum, held on June 1,2008, won 82% approval among those who voted. But 46.5% of the registered electorate did not vote, the highest abstention rate in the four departments holding such referenda.