Okay, First we need to actually divide 7/12.
7/12=.5833
Now that we have that, in order to make any decimal as a percent, we will need to move the decimal two places to the right, making it 58.33%
The basic steps to writing this as a percent are as follows:
1) Divide 7 by 12
2) Move the decimal two places to the right
3) Add a percentage sign at the end
Hope this helped.