-0.73% is the change from 824 to 818
Calculation steps:
[( 818 - 824 ) ÷ 824] x 100 = -0.73%
Formula
Percentage change = [(818 - 824) / 824] x 100
Subtract the new number by the original number
818 - 824 = -6
-6 ÷ 824 = -0.007281553398058253
-0.007281553398058253 x 100 = -0.73%