Complex sentence: The main religious affiliations are Roman Catholic (68.3%), Calvinist (6.3%), Greek Catholic (3.9%) and Evangelical (3.4%); a further 5.5% are atheists, and 11.2% are of unknown religion.
Split into simpler sentences: The main religious affiliations are Roman Catholic (68.3%), Calvinist (6.3%), Greek Catholic (3.9%) and Evangelical (3.4%). A further 5.5% are atheists and 11.2% are of unknown religion.