George Kyparisis makes bowling balls in his Miami plant. With recent increases in his costs, he has a newfound interest in efficiency. George is interested in determining the productivity of his organization. He would like to know if his organization is maintaining the manufacturing average of a $3\%$ increase in productivity. He has the following data representing a month from last year and an equivalent month this year:

$\backslash$table$[[,$Last Year,Now$],[$Units Produced,$1,200,1,200],[$Labor $($hours$),300,260],[$Resin $($pounds$),60,48],[$Capital Invested $($$$),8,500,11,000],[$Energy $($BTU$),3,000,2,850]]$

The productivity change for each of the inputs $($Labor$,$ Resin, Capital, and Energy$)$ is:

Labor Productivity Change $=,\%($enter your response as a percentage rounded to two decimal places and include a minus sign if necessary$).$