-39.27% is the change from 853 to 518
Calculation steps:
[( 518 - 853 ) ÷ 853] x 100 = -39.27%
Formula
Percentage change = [(518 - 853) / 853] x 100
Subtract the new number by the original number
518 - 853 = -335
-335 ÷ 853 = -0.39273153575615477
-0.39273153575615477 x 100 = -39.27%