Complex sentence: Khayelitsha has a small, but growing middle class with a total of 1,400 households earning more than R25,000 a month in 2011, this is a large increase as in 2001 there where almost no households earning over R25,000 a month.
Split into simpler sentences: Khayelitsha has a small but growing middle class with a total of 1,400 households earning more than R25,000 a month in 2011. This is a large increase, as in 2001 there were almost no households earning over R25,000 a month.