One year ago, you purchased a $1,000 face value bond for a clean price of $980. The bond currently has seven years remaining until maturity, pays a coupon payment of $45 every six months, and has a yield to maturity of 6.87 percent. What is the percentage change in the bond price over the past year?

-6.24 percent

14.70 percent

15.48 percent

13.96 percent

6.61 percent