2.47% is the change from 770 to 789
Calculation steps:
[( 789 - 770 ) ÷ 770] x 100 = 2.47%
Formula
Percentage change = [(789 - 770) / 770] x 100
Subtract the new number by the original number
789 - 770 = 19
19 ÷ 770 = 0.024675324675324677
0.024675324675324677 x 100 = 2.47%