22.91% is the change from 646 to 794
Calculation steps:
[( 794 - 646 ) ÷ 646] x 100 = 22.91%
Formula
Percentage change = [(794 - 646) / 646] x 100
Subtract the new number by the original number
794 - 646 = 148
148 ÷ 646 = 0.22910216718266255
0.22910216718266255 x 100 = 22.91%