564% is the change from 100 to 664
Calculation steps:
[( 664 - 100 ) ÷ 100] x 100 = 564%
Formula
Percentage change = [(664 - 100) / 100] x 100
Subtract the new number by the original number
664 - 100 = 564
564 ÷ 100 = 5.64
5.64 x 100 = 564%
Example