Complex sentence: He was subsequently re-elected in the 2006 election, garnering 77.56 per cent of the votes cast in the mayoral race, for which 38.2 per cent of registered voters cast a ballot.
Split into simpler sentences: He was subsequently re-elected in the 2006 election, garnering 77.56 per cent of the votes cast in the mayoral race. However only 38.2 per cent of registered voters cast a ballot.