Complex sentence: He was heavily backed by supporters of former premier Justin Ahomadegbé-Tomêtin and won the election with 80 percent of the vote, although only 26 percent of eligible voters did indeed vote.
Split into simpler sentences: He was heavily backed by supporters of former premier Justin Ahomadegbé-Tomêtin and won the election with 80 percent of the vote,. However, only 27.6 percent of eligible voters did indeed vote.