-4.1% is the change from 830 to 796
Calculation steps:
[( 796 - 830 ) ÷ 830] x 100 = -4.1%
Formula
Percentage change = [(796 - 830) / 830] x 100
Subtract the new number by the original number
796 - 830 = -34
-34 ÷ 830 = -0.04096385542168675
-0.04096385542168675 x 100 = -4.1%