23.15% is the change from 648 to 798
Calculation steps:
[( 798 - 648 ) ÷ 648] x 100 = 23.15%
Formula
Percentage change = [(798 - 648) / 648] x 100
Subtract the new number by the original number
798 - 648 = 150
150 ÷ 648 = 0.23148148148148148
0.23148148148148148 x 100 = 23.15%