-19.6% is the change from 852 to 685
Calculation steps:
[( 685 - 852 ) ÷ 852] x 100 = -19.6%
Formula
Percentage change = [(685 - 852) / 852] x 100
Subtract the new number by the original number
685 - 852 = -167
-167 ÷ 852 = -0.1960093896713615
-0.1960093896713615 x 100 = -19.6%