3.91% is the change from 768 to 798
Calculation steps:
[( 798 - 768 ) ÷ 768] x 100 = 3.91%
Formula
Percentage change = [(798 - 768) / 768] x 100
Subtract the new number by the original number
798 - 768 = 30
30 ÷ 768 = 0.0390625
0.0390625 x 100 = 3.91%