-4.27% is the change from 867 to 830
Calculation steps:
[( 830 - 867 ) ÷ 867] x 100 = -4.27%
Formula
Percentage change = [(830 - 867) / 867] x 100
Subtract the new number by the original number
830 - 867 = -37
-37 ÷ 867 = -0.04267589388696655
-0.04267589388696655 x 100 = -4.27%
Example