-3.96% is the change from 858 to 824
Calculation steps:
[( 824 - 858 ) ÷ 858] x 100 = -3.96%
Formula
Percentage change = [(824 - 858) / 858] x 100
Subtract the new number by the original number
824 - 858 = -34
-34 ÷ 858 = -0.039627039627039624
-0.039627039627039624 x 100 = -3.96%