21.65% is the change from 656 to 798
Calculation steps:
[( 798 - 656 ) ÷ 656] x 100 = 21.65%
Formula
Percentage change = [(798 - 656) / 656] x 100
Subtract the new number by the original number
798 - 656 = 142
142 ÷ 656 = 0.21646341463414634
0.21646341463414634 x 100 = 21.65%