34.52% is the change from 478 to 643
Calculation steps:
[( 643 - 478 ) ÷ 478] x 100 = 34.52%
Formula
Percentage change = [(643 - 478) / 478] x 100
Subtract the new number by the original number
643 - 478 = 165
165 ÷ 478 = 0.34518828451882844
0.34518828451882844 x 100 = 34.52%