WHO do you want to know about?
What is the demographic group you want to target to answers your question(s)? For example:
This table shows 74% (or 7,219,000) of Millennials have done online banking in the past 3 months.
71% of (or 3,509,000) Male Millennials have done online banking in the past 3 months.
77% of (or 3,710,000) Female Millennials have done online banking in the past 3 months.