530.39% is the change from 102 to 643
Calculation steps:
[( 643 - 102 ) ÷ 102] x 100 = 530.39%
Formula
Percentage change = [(643 - 102) / 102] x 100
Subtract the new number by the original number
643 - 102 = 541
541 ÷ 102 = 5.303921568627451
5.303921568627451 x 100 = 530.39%