Complex sentence: The inaugural festival, held at the Suntec Singapore International Convention and Exhibition Centre from December 16 to 25,2006, more than 200,000 visitors, and the 2008 festival more than 300,000 visitors, approximately 30 per cent of which came from overseas.
Split into simpler sentences: The inaugural festival, held at the Suntec Singapore International Convention and Exhibition Centre from December 16 to 25,2006, attracted more than 200,000 visitors over a 10-day period. The 2008 festival attracted more than 300,000 visitors, approximately 30 per cent of which came from overseas.