2.5% is the change from 761 to 780
Calculation steps:
[( 780 - 761 ) ÷ 761] x 100 = 2.5%
Formula
Percentage change = [(780 - 761) / 761] x 100
Subtract the new number by the original number
780 - 761 = 19
19 ÷ 761 = 0.024967148488830485
0.024967148488830485 x 100 = 2.5%