24.42% is the change from 643 to 800
Calculation steps:
[( 800 - 643 ) ÷ 643] x 100 = 24.42%
Formula
Percentage change = [(800 - 643) / 643] x 100
Subtract the new number by the original number
800 - 643 = 157
157 ÷ 643 = 0.24416796267496113
0.24416796267496113 x 100 = 24.42%