-5.69% is the change from 879 to 829
Calculation steps:
[( 829 - 879 ) ÷ 879] x 100 = -5.69%
Formula
Percentage change = [(829 - 879) / 879] x 100
Subtract the new number by the original number
829 - 879 = -50
-50 ÷ 879 = -0.05688282138794084
-0.05688282138794084 x 100 = -5.69%