-63.54% is the change from 853 to 311
Calculation steps:
[( 311 - 853 ) ÷ 853] x 100 = -63.54%
Formula
Percentage change = [(311 - 853) / 853] x 100
Subtract the new number by the original number
311 - 853 = -542
-542 ÷ 853 = -0.6354044548651817
-0.6354044548651817 x 100 = -63.54%