62.75% is the change from 408 to 664
Calculation steps:
[( 664 - 408 ) ÷ 408] x 100 = 62.75%
Formula
Percentage change = [(664 - 408) / 408] x 100
Subtract the new number by the original number
664 - 408 = 256
256 ÷ 408 = 0.6274509803921569
0.6274509803921569 x 100 = 62.75%