-0.6% is the change from 829 to 824
Calculation steps:
[( 824 - 829 ) ÷ 829] x 100 = -0.6%
Formula
Percentage change = [(824 - 829) / 829] x 100
Subtract the new number by the original number
824 - 829 = -5
-5 ÷ 829 = -0.006031363088057901
-0.006031363088057901 x 100 = -0.6%