2.77% is the change from 759 to 780
Calculation steps:
[( 780 - 759 ) ÷ 759] x 100 = 2.77%
Formula
Percentage change = [(780 - 759) / 759] x 100
Subtract the new number by the original number
780 - 759 = 21
21 ÷ 759 = 0.02766798418972332
0.02766798418972332 x 100 = 2.77%