Year

Year 2019 is 79.49% complete.
79.49221142956307%

Month

Month 2019-10 is 55.31% complete.
55.31151264262337%

Day

Day 2019-10-18 is 14.65% complete.
14.656421376286847%

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

For example