Exater Solutions had labour productivity of $5\mathrm{.}65$ in May $2020.$ In June $2020,$ labor productivity was $4\mathrm{.}95.$ Which of the following best

describes the change in operational performance?

labor productivity improved by $12\mathrm{.}39\%$

labor productivity declined by $12\mathrm{.}39\%$

labor productivity improved by $14\mathrm{.}14\%$

labor productivity declined by $14\mathrm{.}14\%$

Cannot calculate based on data given.