The sale of a cinema tickets is increased by 44% and price of ticket increased by 10%. Find the percentage change in the revenue.

58.4%

44% = $\frac{11}{25}$      ,        10% = $\frac{1}{10}$

                             Old      :      New

 Sale of tickets        25       :        36

 Price of tickets       10       :        11

                              ------------------

Revenue                250      :       396        →     146 (Difference)

(sale × Price)

Revenue increased percentage = $\frac{146}{250}$ × 100 = 58.4%