-3.29% is the change from 852 to 824
Calculation steps:
[( 824 - 852 ) ÷ 852] x 100 = -3.29%
Formula
Percentage change = [(824 - 852) / 852] x 100
Subtract the new number by the original number
824 - 852 = -28
-28 ÷ 852 = -0.03286384976525822
-0.03286384976525822 x 100 = -3.29%