A pharmaceutical manufacturer forms tablets by compressing a granular material that contains the active ingredient and various fillers.

The force in kilograms $($kg$)$ applied to the tablets varies with a normal distribution that has a mean of $69\mathrm{.}7$ kg and standard deviation of $1\mathrm{.}6.$

The process specifications call for applying a force between $68\mathrm{.}6$ and $70\mathrm{.}8$ kg$.$

What percent of tablets are subject to a force that meets the specifications?