Year

Year 2019 is 79.5% complete.
79.50322224471775%

Month

Month 2019-10 is 55.44% complete.
55.4411561556724%

Day

Day 2019-10-18 is 18.67% complete.
18.675415296436128%

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

For example