49.22% is the change from 516 to 770
Calculation steps:
[( 770 - 516 ) ÷ 516] x 100 = 49.22%
Formula
Percentage change = [(770 - 516) / 516] x 100
Subtract the new number by the original number
770 - 516 = 254
254 ÷ 516 = 0.49224806201550386
0.49224806201550386 x 100 = 49.22%