-4.2% is the change from 833 to 798
Calculation steps:
[( 798 - 833 ) ÷ 833] x 100 = -4.2%
Formula
Percentage change = [(798 - 833) / 833] x 100
Subtract the new number by the original number
798 - 833 = -35
-35 ÷ 833 = -0.04201680672268908
-0.04201680672268908 x 100 = -4.2%