Please Refer to the Following Trend Analysis of Pathways Company

Please refer to the following trend analysis of Pathways Company:
$$\begin{array} { | l | r | r | r | r | r | r | } \hline & 2015 & 2014 & 2013 & 2012 & 2011 & 2010 \\\hline \text { Net sales } & \$ 4,970 & \$ 4,500 & \$ 3,980 & \$ 3,270 & \$ 4,750 & \$ 4,400 \\\hline \text { Percentages } & 113.0 \% & 102.3 \% & 90.5 \% & 74.3 \% & 108.0 \% & 100.0 \% \\\hline\end{array}$$
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Which of the following is a correct conclusion from the above analysis?

A) Net sales in 2013 were equal to 90.5% of year 2012 net sales.
B) Net sales in 2013 were up 90.5% over the previous year.
C) Net sales in 2013 were equal to 90.5% of 2010 net sales.
D) Net sales in 2013 were down 90.5% from year 2010.