-4.27% is the change from 866 to 829
Calculation steps:
[( 829 - 866 ) ÷ 866] x 100 = -4.27%
Formula
Percentage change = [(829 - 866) / 866] x 100
Subtract the new number by the original number
829 - 866 = -37
-37 ÷ 866 = -0.042725173210161664
-0.042725173210161664 x 100 = -4.27%