-1.29% is the change from 853 to 842
Calculation steps:
[( 842 - 853 ) ÷ 853] x 100 = -1.29%
Formula
Percentage change = [(842 - 853) / 853] x 100
Subtract the new number by the original number
842 - 853 = -11
-11 ÷ 853 = -0.012895662368112544
-0.012895662368112544 x 100 = -1.29%