68.09% is the change from 514 to 864
Calculation steps:
[( 864 - 514 ) ÷ 514] x 100 = 68.09%
Formula
Percentage change = [(864 - 514) / 514] x 100
Subtract the new number by the original number
864 - 514 = 350
350 ÷ 514 = 0.6809338521400778
0.6809338521400778 x 100 = 68.09%