Complex sentence: It broke the subscriber record for a non-sports event, previously held by a New Kids on the Block concert in 1990, with around 400,000 households purchasing the event that grossed an estimated $16 million.
Split into simpler sentences: It broke the subscriber record for a non-sports event previously held by a New Kids on the Block concert in 1990. Around 400,000 households purchased the event that grossed an estimated $16 million.