To convert a number<span> into </span>percent<span> multiple it by 100 and then add the </span>percent<span> sign. These examples </span>convert<span> the </span>numbers<span> 23 and 158 to percents. To </span>convert a number<span> with a decimal into </span>percent<span>, multiply it by 100 and add the </span>percent<span>sign</span>