Year

Year 2019 is 79.5% complete.
79.50083939918605%

Month

Month 2019-10 is 55.41% complete.
55.41310006160099%

Day

Day 2019-10-18 is 17.8% complete.
17.805666638410766%

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

For example