It's not an issue of grammar, but of usage. When you Notice, "percent" implies "For each and every hundred," so there's nothing whatsoever Erroneous with p.c values bigger than one hundred when discussing proportions, e.g. income improved by one hundred twenty% As its examples exhibit, Chicago endorses "10 percent" in https://lorenzoqlcro.ltfblog.com/35353271/thca-flower-bulk-options