28.68% is the change from 516 to 664
Calculation steps:
[( 664 - 516 ) ÷ 516] x 100 = 28.68%
Formula
Percentage change = [(664 - 516) / 516] x 100
Subtract the new number by the original number
664 - 516 = 148
148 ÷ 516 = 0.2868217054263566
0.2868217054263566 x 100 = 28.68%