2.51% is the change from 758 to 777
Calculation steps:
[( 777 - 758 ) ÷ 758] x 100 = 2.51%
Formula
Percentage change = [(777 - 758) / 758] x 100
Subtract the new number by the original number
777 - 758 = 19
19 ÷ 758 = 0.025065963060686015
0.025065963060686015 x 100 = 2.51%