dist/parsers.js
function parsePercent(s) {
  var n = parseNumber(String(s).replace('%', ''));
  return n == null ? null : n / 100;
}
function parsePercent(s) {
  var n = parseNumber(String(s).replace('%', ''));
  return n == null ? null : n / 100;
}
Public: Parses a string containing a percent.  s - The string to parse.  Returns a number or `null` if parsing fails.