-0.12% is the change from 852 to 851
Calculation steps:
[( 851 - 852 ) ÷ 852] x 100 = -0.12%
Formula
Percentage change = [(851 - 852) / 852] x 100
Subtract the new number by the original number
851 - 852 = -1
-1 ÷ 852 = -0.0011737089201877935
-0.0011737089201877935 x 100 = -0.12%