27% is the change from 526 to 668
Calculation steps:
[( 668 - 526 ) ÷ 526] x 100 = 27%
Formula
Percentage change = [(668 - 526) / 526] x 100
Subtract the new number by the original number
668 - 526 = 142
142 ÷ 526 = 0.26996197718631176
0.26996197718631176 x 100 = 27%