304.88% is the change from 164 to 664
Calculation steps:
[( 664 - 164 ) ÷ 164] x 100 = 304.88%
Formula
Percentage change = [(664 - 164) / 164] x 100
Subtract the new number by the original number
664 - 164 = 500
500 ÷ 164 = 3.048780487804878
3.048780487804878 x 100 = 304.88%