title: How to format a number as percentage with 2 decimal places in Presto?
body: <p>I have a number want to format it as percentage in Presto. I want to format 0.18932 as 18.93%.</p>
  <p>I tried:</p>
  <pre><code>format('%s%%', decimal_number*100)
  format('%s%%', round((a.decimal_number*100), 2))
  </code></pre>
  <p>Here is the result:
  none formatted: 0.019435618
  first method: 1.9435618000%
  2nd method: 1.9400000000%</p>
  <p>Any easier way to format it as 1.94%</p>