26.05% is the change from 668 to 842
Calculation steps:
[( 842 - 668 ) ÷ 668] x 100 = 26.05%
Formula
Percentage change = [(842 - 668) / 668] x 100
Subtract the new number by the original number
842 - 668 = 174
174 ÷ 668 = 0.26047904191616766
0.26047904191616766 x 100 = 26.05%