28.43% is the change from 517 to 664
Calculation steps:
[( 664 - 517 ) ÷ 517] x 100 = 28.43%
Formula
Percentage change = [(664 - 517) / 517] x 100
Subtract the new number by the original number
664 - 517 = 147
147 ÷ 517 = 0.28433268858800775
0.28433268858800775 x 100 = 28.43%