3.46% is the change from 780 to 807
Calculation steps:
[( 807 - 780 ) ÷ 780] x 100 = 3.46%
Formula
Percentage change = [(807 - 780) / 780] x 100
Subtract the new number by the original number
807 - 780 = 27
27 ÷ 780 = 0.03461538461538462
0.03461538461538462 x 100 = 3.46%