-3.87% is the change from 852 to 819
Calculation steps:
[( 819 - 852 ) ÷ 852] x 100 = -3.87%
Formula
Percentage change = [(819 - 852) / 852] x 100
Subtract the new number by the original number
819 - 852 = -33
-33 ÷ 852 = -0.03873239436619718
-0.03873239436619718 x 100 = -3.87%