Complex sentence: Cleveland ultimately won the election by 277 electoral votes to Harrison's 145, and also won the popular vote by 5,556,918 to 5,176,108; this was the most decisive presidential election in 20 years.
Split into simpler sentences: Cleveland ultimately won the election with 277 electoral votes to Harrison's 145. Cleveland also won the popular vote by 5,556,918 to 5,176,108; this was the most decisive presidential election in 20 years.