An Investor Purchased Shares of Digger Resources at a Price

Short Answer

An investor purchased shares of Digger Resources at a price of $0.55 per share. One year later, the shares traded at $1.55, but they fell back to $0.75 by the end of the second year after the date of purchase. Calculate the percent change in the share price accurate to the nearest 0.01%.:
a. In the first year
b. In the second year
c. Over both years