Percentage Increase in Support for Park Initiative

A small town has a population of 5,000 residents. An annual survey revealed that 60% of the population supports a new park initiative. After one year, the town's population grows by 8%, and a new survey indicates that 72% of the new population supports the park initiative.

What is the percentage increase in the support for the park initiative after one year, compared to the initial survey? Express your answer as a decimal.