Express each of the following as a percentage:

(i) $\frac{9}{25}$

$=\left(\frac{9}{25} \times 100\right) \%$

$=(9 \times 4) \%$

$=36 \%$

(ii) $\frac{3}{125}$

$=\left(\frac{3}{125} \times 100\right) \%$

$=2.4 \%$

(iii) $\frac{12}{5}$

$=\left(\frac{12}{5} \times 100\right) \%$

$=240 \%$