3.78% is the change from 768 to 797
Calculation steps:
[( 797 - 768 ) ÷ 768] x 100 = 3.78%
Formula
Percentage change = [(797 - 768) / 768] x 100
Subtract the new number by the original number
797 - 768 = 29
29 ÷ 768 = 0.037760416666666664
0.037760416666666664 x 100 = 3.78%