-20.19% is the change from 852 to 680
Calculation steps:
[( 680 - 852 ) ÷ 852] x 100 = -20.19%
Formula
Percentage change = [(680 - 852) / 852] x 100
Subtract the new number by the original number
680 - 852 = -172
-172 ÷ 852 = -0.20187793427230047
-0.20187793427230047 x 100 = -20.19%