57.21% is the change from 409 to 643
Calculation steps:
[( 643 - 409 ) ÷ 409] x 100 = 57.21%
Formula
Percentage change = [(643 - 409) / 409] x 100
Subtract the new number by the original number
643 - 409 = 234
234 ÷ 409 = 0.5721271393643031
0.5721271393643031 x 100 = 57.21%