-48.53% is the change from 853 to 439
Calculation steps:
[( 439 - 853 ) ÷ 853] x 100 = -48.53%
Formula
Percentage change = [(439 - 853) / 853] x 100
Subtract the new number by the original number
439 - 853 = -414
-414 ÷ 853 = -0.48534583821805394
-0.48534583821805394 x 100 = -48.53%