-0.36% is the change from 833 to 830
Calculation steps:
[( 830 - 833 ) ÷ 833] x 100 = -0.36%
Formula
Percentage change = [(830 - 833) / 833] x 100
Subtract the new number by the original number
830 - 833 = -3
-3 ÷ 833 = -0.003601440576230492
-0.003601440576230492 x 100 = -0.36%