Complex sentence: Its budget was $14 million, a large figure at the time, and grossed only $16.4 million at the box-office and the disappointing reception drove Scorsese into depression and drugs.
Split into simpler sentences: Its budget was $14 million, a large figure at the time, and it grossed only $16.4 million at the box office. The disappointing reception drove Scorsese into depression and drugs.