Reais Crisis. The value of the Brazilian reais $($BRL or RS$)$ was BRL $1\mathrm{.}83$ to $1\mathrm{.}00$ USD on Thursday, January $24,2008.$ It then plunged in value to BRL $2\mathrm{.}42$ to $1\mathrm{.}00$ USD on January $26,2009.$ What was the percentage change in its value?

What was the percentage change in its value?

The percentage change in the Brazilian real's value is

$\%.($Round to two decimal places. A negative value must be entered with a negative sign.$)$

The percentage change is

$]$ because the real

$,$ or

$,$ in value. $($Select from the drop$-$down menus.$)$