Kylie sent a chain letter to her friends, asking them to forward the letter to more friends. The relationship between the elapsed time ttt, in hours, since Kylie sent the letter, and the number of people, P(t)P(t)P, left parenthesis, t, right parenthesis, who receive the email is modeled by the following function: P(t)=(1.09)6t+25.5 Complete the following sentence about the hourly percent change in the number of people who receive the email. Round your answer to the nearest percent. Every hour, there is a \%%percent the number of people who receive the email.