24.34% is the change from 641 to 797
Calculation steps:
[( 797 - 641 ) ÷ 641] x 100 = 24.34%
Formula
Percentage change = [(797 - 641) / 641] x 100
Subtract the new number by the original number
797 - 641 = 156
156 ÷ 641 = 0.24336973478939158
0.24336973478939158 x 100 = 24.34%