Year

Year 2019 is 71.86% complete.
71.86773136994952%

Month

Month 2019-9 is 64.39% complete.
64.39072878307319%

Day

Day 2019-9-20 is 31.72% complete.
31.721485375952383%

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

For example