Convert percentages to decimal function

SassMeister-input.scss

// ----
// Sass (v3.4.1)
// Compass (v1.0.1)
// ----

@function decimal($percentage) {
  $decimal: $percentage / 100;             // Returns the number as a decimal
  $decimal: $decimal / ($decimal * 0 + 1); // Removes the % unit off the number
  @return $decimal;
}