code: function addPercent(change, goodEmoji = '', badEmooji = ':small_red_triangle:') {
    const formatted = (change * 100).toFixed(2);
    if (/^-|^0(?:\.0+)$/.test(formatted)) {
      return `${formatted}% ${goodEmoji}`;
    }
    return `+${formatted}% ${badEmooji}`;
  }
docs: Generates a user-readable string from a percentage change
  @param {number} change
  @param {string} goodEmoji emoji on reduction
  @param {string} badEmooji emoji on increase