-49.47% is the change from 853 to 431
Calculation steps:
[( 431 - 853 ) ÷ 853] x 100 = -49.47%
Formula
Percentage change = [(431 - 853) / 853] x 100
Subtract the new number by the original number
431 - 853 = -422
-422 ÷ 853 = -0.4947245017584994
-0.4947245017584994 x 100 = -49.47%