Need to strip the last character from an awk print statement.

I have the following command that returns the % of disk space used in a partition.
ie: 5%
I need to strip the % off the string and am not sure how to do it.
The command I am using is:
df -lk | awk '{if ($6=="/"){print $5}}'
afcnocAsked:
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medveddCommented:
df -lk | awk '{if ($6=="/"){print $5}}' | sed -e 's/%$//'
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afcnocAuthor Commented:
Thanks for the very quick response!
Works great.
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