Required information

$2$

Problem $01\mathrm{.}006-$ Stock market index

On Monday, a stock market index goes up $3\mathrm{.}43\%.$ On Tuesday, the index goes down $3\mathrm{.}43\%.$

Problem $01\mathrm{.}006-1-$ Percentage change in the index

What is the net percentage change in the index for the two days? Enter the percentage where positive indicates increase and negative indicates decrease.$($Round the final answer to three decimal places. Include a minus sign if necessary.$)$

$\%$