62.1% is the change from 409 to 663
Calculation steps:
[( 663 - 409 ) ÷ 409] x 100 = 62.1%
Formula
Percentage change = [(663 - 409) / 409] x 100
Subtract the new number by the original number
663 - 409 = 254
254 ÷ 409 = 0.6210268948655256
0.6210268948655256 x 100 = 62.1%