23.95% is the change from 643 to 797
Calculation steps:
[( 797 - 643 ) ÷ 643] x 100 = 23.95%
Formula
Percentage change = [(797 - 643) / 643] x 100
Subtract the new number by the original number
797 - 643 = 154
154 ÷ 643 = 0.23950233281493002
0.23950233281493002 x 100 = 23.95%