Year

Year 2019 is 79.49% complete.
79.49476641943357%

Month

Month 2019-10 is 55.34% complete.
55.34159559815052%

Day

Day 2019-10-18 is 15.58% complete.
15.589003443219864%

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

For example