65.06% is the change from 518 to 855
Calculation steps:
[( 855 - 518 ) ÷ 518] x 100 = 65.06%
Formula
Percentage change = [(855 - 518) / 518] x 100
Subtract the new number by the original number
855 - 518 = 337
337 ÷ 518 = 0.6505791505791506
0.6505791505791506 x 100 = 65.06%