Complex sentence: It also tops the charts of highest-grossing openings for films in both North America and the world with a total of $524.4 million, the first time that a film had generated over $500 million worldwide in a single weekend.
Split into simpler sentences: It also tops the charts of highest-grossing openings for films in both North America and the world. Its worldwide opening of $524.4 million is the biggest of all time; it also marked the first time that a film had generated over $500 million worldwide in a single weekend.