32.56% is the change from 516 to 684
Calculation steps:
[( 684 - 516 ) ÷ 516] x 100 = 32.56%
Formula
Percentage change = [(684 - 516) / 516] x 100
Subtract the new number by the original number
684 - 516 = 168
168 ÷ 516 = 0.32558139534883723
0.32558139534883723 x 100 = 32.56%