The graph chart below provides information about the percentage of change in prices of three metals, including copper, nickel, and zinc, per month in comparison to their previous month, in the year 2014.
Overall, nickel had the highest change in its price at the beginning, which decreased to the lowest change by the end of the year. Zinc had exactly the opposite result in comparison to nickel. However, the lowest percentage of change in price belonged to zinc at first, but it ended with the highest change among the other metals.
First, nickel had the highest percentage of change in January with 6 percent, which declined dramatically to -3 percent in June. However, it increased slightly to 1 percent, it had the lowest percentage in December.
Second, zinc began with the lowest percentage of change in price at 1 percent. Despite having significant fluctuation during the year, it ended with a jump from -1 percent in October to 2 percent in December.