-20.4% is the change from 853 to 679
Calculation steps:
[( 679 - 853 ) ÷ 853] x 100 = -20.4%
Formula
Percentage change = [(679 - 853) / 853] x 100
Subtract the new number by the original number
679 - 853 = -174
-174 ÷ 853 = -0.20398593200468934
-0.20398593200468934 x 100 = -20.4%