3.98% is the change from 830 to 863
Calculation steps:
[( 863 - 830 ) ÷ 830] x 100 = 3.98%
Formula
Percentage change = [(863 - 830) / 830] x 100
Subtract the new number by the original number
863 - 830 = 33
33 ÷ 830 = 0.03975903614457831
0.03975903614457831 x 100 = 3.98%