43.326 megabytes has been downloaded
Solution:
Given that a file that is 261 megabytes is being downloaded
16.6 % of download is complete
To find: megabytes that have been downloaded
From given question,
16.6 % of 261 megabytes has been downloaded
Let us find 16.6 % of 261
We know that,
a % of b can be written in fraction as

So 16.6 % of 261 is calculated as:

Thus 43.326 megabytes has been downloaded