23.84% is the change from 646 to 800
Calculation steps:
[( 800 - 646 ) ÷ 646] x 100 = 23.84%
Formula
Percentage change = [(800 - 646) / 646] x 100
Subtract the new number by the original number
800 - 646 = 154
154 ÷ 646 = 0.23839009287925697
0.23839009287925697 x 100 = 23.84%