-1.17% is the change from 853 to 843
Calculation steps:
[( 843 - 853 ) ÷ 853] x 100 = -1.17%
Formula
Percentage change = [(843 - 853) / 853] x 100
Subtract the new number by the original number
843 - 853 = -10
-10 ÷ 853 = -0.011723329425556858
-0.011723329425556858 x 100 = -1.17%