Year

Year 2019 is 64.31% complete.
64.31173759280924%

Month

Month 2019-8 is 73.34% complete.
73.34788148259254%

Day

Day 2019-8-23 is 73.78% complete.
73.7843310118679%

This site Dividing the year, month, day into 100 pieces and show the progress bar for you.

For example