50.97% is the change from 514 to 776
Calculation steps:
[( 776 - 514 ) ÷ 514] x 100 = 50.97%
Formula
Percentage change = [(776 - 514) / 514] x 100
Subtract the new number by the original number
776 - 514 = 262
262 ÷ 514 = 0.5097276264591439
0.5097276264591439 x 100 = 50.97%