2.44% is the change from 780 to 799
Calculation steps:
[( 799 - 780 ) ÷ 780] x 100 = 2.44%
Formula
Percentage change = [(799 - 780) / 780] x 100
Subtract the new number by the original number
799 - 780 = 19
19 ÷ 780 = 0.02435897435897436
0.02435897435897436 x 100 = 2.44%