-29.79% is the change from 829 to 582
Calculation steps:
[( 582 - 829 ) ÷ 829] x 100 = -29.79%
Formula
Percentage change = [(582 - 829) / 829] x 100
Subtract the new number by the original number
582 - 829 = -247
-247 ÷ 829 = -0.29794933655006034
-0.29794933655006034 x 100 = -29.79%