Answer :
Percentage change = New - old / old x 100%
The new container can hold 64 ounces
The old container can hold 50 ounces
Change in percentage = 64 - 50 / 50 x 100%
64 - 50= 14
= 14/50 x 100%
= 0.28 x 100%
Percentage increase = 28%
The ansawer is 28%