31.85% is the change from 518 to 683
Calculation steps:
[( 683 - 518 ) ÷ 518] x 100 = 31.85%
Formula
Percentage change = [(683 - 518) / 518] x 100
Subtract the new number by the original number
683 - 518 = 165
165 ÷ 518 = 0.3185328185328185
0.3185328185328185 x 100 = 31.85%