'The Diary of a CEO' host Steven Bartlett explains how the '1% rule' has led to big results at his company

Podcaster Steven Bartlett says he's found success by focusing on small wins.

: Todd Owyoung/NBC via Getty Images

• Podcaster Steven Bartlett credited "embarrassingly small steps" with the growth of "The Diary of a CEO."
• Bartlett applies the 1% mindset, focusing on minor improvements to achieve a big impact.
• He said A/B testing titles and thumbnails has led to changes in click-through rates on his show.

"The Diary of a CEO" founder and host Steven Bartlett is one of the world's biggest podcasters ...