-4.49% is the change from 868 to 829
Calculation steps:
[( 829 - 868 ) ÷ 868] x 100 = -4.49%
Formula
Percentage change = [(829 - 868) / 868] x 100
Subtract the new number by the original number
829 - 868 = -39
-39 ÷ 868 = -0.044930875576036866
-0.044930875576036866 x 100 = -4.49%