29.94% is the change from 648 to 842
Calculation steps:
[( 842 - 648 ) ÷ 648] x 100 = 29.94%
Formula
Percentage change = [(842 - 648) / 648] x 100
Subtract the new number by the original number
842 - 648 = 194
194 ÷ 648 = 0.2993827160493827
0.2993827160493827 x 100 = 29.94%