9.54% is the change from 587 to 643
Calculation steps:
[( 643 - 587 ) ÷ 587] x 100 = 9.54%
Formula
Percentage change = [(643 - 587) / 587] x 100
Subtract the new number by the original number
643 - 587 = 56
56 ÷ 587 = 0.09540034071550256
0.09540034071550256 x 100 = 9.54%