8.43% is the change from 593 to 643
Calculation steps:
[( 643 - 593 ) ÷ 593] x 100 = 8.43%
Formula
Percentage change = [(643 - 593) / 593] x 100
Subtract the new number by the original number
643 - 593 = 50
50 ÷ 593 = 0.08431703204047218
0.08431703204047218 x 100 = 8.43%