Complex sentence: There was a high rate (47.4%) of speaking languages other than English at home; other languages included Cantonese 18.4%, Mandarin 9.0% and Korean 3.7%.
Split into simpler sentences: There was a high rate (47.4%) of speaking languages other than English at home. Other languages spoken at home included Cantonese 18.4%, Mandarin 9.0% and Korean 3.7%.