we make a fraction of the ratio:
[tex] \frac{11}{25} [/tex]
and then we multiply it by 100% (we can always multiply by 100%, as this is equal to 1)
[tex] \frac{11}{25}*100%[/tex]
(simplyfying: we know that 100=4*25, so we can cross the 25 out)
[tex] \frac{11}{1}*4%[/tex]
and the result is:
44%
