-26.42% is the change from 829 to 610
Calculation steps:
[( 610 - 829 ) ÷ 829] x 100 = -26.42%
Formula
Percentage change = [(610 - 829) / 829] x 100
Subtract the new number by the original number
610 - 829 = -219
-219 ÷ 829 = -0.26417370325693607
-0.26417370325693607 x 100 = -26.42%