-0.23% is the change from 854 to 852
Calculation steps:
[( 852 - 854 ) ÷ 854] x 100 = -0.23%
Formula
Percentage change = [(852 - 854) / 854] x 100
Subtract the new number by the original number
852 - 854 = -2
-2 ÷ 854 = -0.00234192037470726
-0.00234192037470726 x 100 = -0.23%