Complex sentence: During late 2007/early 2008, there was a big shake up in editorial staff, with many old hands leaving to make way for new staff, and the newspaper also underwent a layout and design makeover.
Split into simpler sentences: During late 2007/early 2008, there was a big shake out of editorial staff, with many old hands leaving to make way for new staff. The newspaper also underwent a layout and design makeover.