26.28% is the change from 529 to 668
Calculation steps:
[( 668 - 529 ) ÷ 529] x 100 = 26.28%
Formula
Percentage change = [(668 - 529) / 529] x 100
Subtract the new number by the original number
668 - 529 = 139
139 ÷ 529 = 0.2627599243856333
0.2627599243856333 x 100 = 26.28%