Year

Year 2019 is 71.87% complete.
71.87780113561368%

Month

Month 2019-9 is 64.51% complete.
64.51324430870224%

Day

Day 2019-9-20 is 35.39% complete.
35.39699226740956%

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

For example