I need to know how to calculate the slope and intercept of a trendline for the following data:
<tbody>
3/20/2017
62.7%
4/10/2017
58.5%
4/17/2017
62.2%
5/1/2017
60.5%
5/8/2017
60.9%
5/15/2017
55.6%
5/29/2017
58.0%
</tbody><colgroup><col><col></colgroup>
Any help is appreciated.