Below the last row of data, copy the $2015$ data for each country into two columns side$-$by$-$side to complete the Country$-$to$-$Country comparison. It is advisable to ensure that the percent differences will appear in the same column $($It is column $7$ in the example below, which is column $G$ in the downloaded Excel document.$)$ as you previously formatted, so that you can drag down the formula again. Your spreadsheet should be formatted like the table below.