-39.39% is the change from 853 to 517
Calculation steps:
[( 517 - 853 ) ÷ 853] x 100 = -39.39%
Formula
Percentage change = [(517 - 853) / 853] x 100
Subtract the new number by the original number
517 - 853 = -336
-336 ÷ 853 = -0.3939038686987104
-0.3939038686987104 x 100 = -39.39%