Denalo will be working at the local pool over his eight-week summer break. His net pay will be $154.68 each week. He hopes to have enough money to purchase a new pair of shoes that cost $225 by the end of his break. What percent of his net pay does Denalo need to save each week to reach his goal? Round to the nearest hundredth.

a
1.82%

b
9.09%

c
12.37%

d
18.18%