-1.7% is the change from 824 to 810
Calculation steps:
[( 810 - 824 ) ÷ 824] x 100 = -1.7%
Formula
Percentage change = [(810 - 824) / 824] x 100
Subtract the new number by the original number
810 - 824 = -14
-14 ÷ 824 = -0.01699029126213592
-0.01699029126213592 x 100 = -1.7%