Complex sentence: Since its creation, The Night Shift has proven successful among under 35, with over 80% of the audience falling within this age bracket and approximately 20% of the audience attending a classical concert for the first time.
Split into simpler sentences: Since its creation, The Night Shift has proven successful among people under age 35. Over 80% of the audience falls within this age bracket and approximately 20% of the audience is attending a classical concert for the first time.