# File lib/action_view/helpers/number_helper.rb, line 100 def number_to_percentage(number, options = {}) options = options.stringify_keys precision = options["precision"] || 3 separator = options["separator"] || "." begin number = number_with_precision(number, precision) parts = number.split('.') if parts.at(1).nil? parts[0] + "%" else parts[0] + separator + parts[1].to_s + "%" end rescue number end end