Kylie sent a chain letter to her friends, asking them to forward the letter to more friends. The relationship between the elapsed time t tt, 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.