-0.24% is the change from 826 to 824
Calculation steps:
[( 824 - 826 ) ÷ 826] x 100 = -0.24%
Formula
Percentage change = [(824 - 826) / 826] x 100
Subtract the new number by the original number
824 - 826 = -2
-2 ÷ 826 = -0.002421307506053269
-0.002421307506053269 x 100 = -0.24%