Year

Year 2019 is 79.49% complete.
79.49734733785685%

Month

Month 2019-10 is 55.37% complete.
55.37198384158085%

Day

Day 2019-10-18 is 16.53% complete.
16.531049541155536%

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

For example