Year

Year 2019 is 79.51% complete.
79.51165967651754%

Month

Month 2019-10 is 55.54% complete.
55.54050014467489%

Day

Day 2019-10-18 is 21.75% complete.
21.755113450353246%

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

For example