25.93% is the change from 648 to 816
Calculation steps:
[( 816 - 648 ) ÷ 648] x 100 = 25.93%
Formula
Percentage change = [(816 - 648) / 648] x 100
Subtract the new number by the original number
816 - 648 = 168
168 ÷ 648 = 0.25925925925925924
0.25925925925925924 x 100 = 25.93%