1割 (いちわり, ichiwari) Japanese meaning: ten percent | KotomoraSales increased by ten percent compared to the previous year.
You can buy this product at a ten percent discount.
Usage patterns
〈物〉が1割引きになるto be discounted by ten percent
This shirt is currently 10% off.
〈数〉が1割増えるto increase by ten percent
Sales increased by ten percent this year.
〈数〉のうち1割が〈事〉one in ten of ~ (does something)
One in ten respondents said they were opposed.