51.17% is the change from 514 to 777
Calculation steps:
[( 777 - 514 ) ÷ 514] x 100 = 51.17%
Formula
Percentage change = [(777 - 514) / 514] x 100
Subtract the new number by the original number
777 - 514 = 263
263 ÷ 514 = 0.5116731517509727
0.5116731517509727 x 100 = 51.17%