-19.72% is the change from 852 to 684
Calculation steps:
[( 684 - 852 ) ÷ 852] x 100 = -19.72%
Formula
Percentage change = [(684 - 852) / 852] x 100
Subtract the new number by the original number
684 - 852 = -168
-168 ÷ 852 = -0.19718309859154928
-0.19718309859154928 x 100 = -19.72%