-2.11% is the change from 852 to 834
Calculation steps:
[( 834 - 852 ) ÷ 852] x 100 = -2.11%
Formula
Percentage change = [(834 - 852) / 852] x 100
Subtract the new number by the original number
834 - 852 = -18
-18 ÷ 852 = -0.02112676056338028
-0.02112676056338028 x 100 = -2.11%