Complex sentence: Uthayakumar was brought up in Kelantan, where 99 percent of the population are Malay, 0.9 percent Chinese and 0.1 percent Indian, which enabled him to speak fluent Kelantan Malay.
Split into simpler sentences: Uthayakumar was brought up in Kelantan, where 99 percent of the population is Malay, 0.9 percent Chinese and 0.1 percent Indian. This enabled him to speak fluent Kelantan Malay.