What is the growth rate in unit sales for coffee in $2019?$

Sales $($units$)$

$2018$ Sales

$2019($Sales$)$

Coffee

$1,050$

$900$

Tea

$820$

$890$

Total

$1,870$

$1,790$

Question $15$ options:

$-14\mathrm{.}3\%$

$14\mathrm{.}3\%$

$-4\mathrm{.}3\%$

$16\mathrm{.}7\%$