-12.3% is the change from 829 to 727
Calculation steps:
[( 727 - 829 ) ÷ 829] x 100 = -12.3%
Formula
Percentage change = [(727 - 829) / 829] x 100
Subtract the new number by the original number
727 - 829 = -102
-102 ÷ 829 = -0.12303980699638119
-0.12303980699638119 x 100 = -12.3%