30.25% is the change from 648 to 844
Calculation steps:
[( 844 - 648 ) ÷ 648] x 100 = 30.25%
Formula
Percentage change = [(844 - 648) / 648] x 100
Subtract the new number by the original number
844 - 648 = 196
196 ÷ 648 = 0.30246913580246915
0.30246913580246915 x 100 = 30.25%