# File lib/action_view/helpers/number_helper.rb, line 56 def number_to_percentage(number, options = {}) options = options.stringify_keys precision, separator = options.delete("precision") { 3 }, options.delete("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