32.24% is the change from 518 to 685
Calculation steps:
[( 685 - 518 ) ÷ 518] x 100 = 32.24%
Formula
Percentage change = [(685 - 518) / 518] x 100
Subtract the new number by the original number
685 - 518 = 167
167 ÷ 518 = 0.3223938223938224
0.3223938223938224 x 100 = 32.24%