32.63% is the change from 518 to 687
Calculation steps:
[( 687 - 518 ) ÷ 518] x 100 = 32.63%
Formula
Percentage change = [(687 - 518) / 518] x 100
Subtract the new number by the original number
687 - 518 = 169
169 ÷ 518 = 0.32625482625482627
0.32625482625482627 x 100 = 32.63%