51.65% is the change from 424 to 643
Calculation steps:
[( 643 - 424 ) ÷ 424] x 100 = 51.65%
Formula
Percentage change = [(643 - 424) / 424] x 100
Subtract the new number by the original number
643 - 424 = 219
219 ÷ 424 = 0.5165094339622641
0.5165094339622641 x 100 = 51.65%