Year

Year 2019 is 79.49% complete.
79.49223058151736%

Month

Month 2019-10 is 55.31% complete.
55.31173814151703%

Day

Day 2019-10-18 is 14.66% complete.
14.663411920289393%

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

For example