-1.33% is the change from 829 to 818
Calculation steps:
[( 818 - 829 ) ÷ 829] x 100 = -1.33%
Formula
Percentage change = [(818 - 829) / 829] x 100
Subtract the new number by the original number
818 - 829 = -11
-11 ÷ 829 = -0.013268998793727383
-0.013268998793727383 x 100 = -1.33%