26.62% is the change from 526 to 666
Calculation steps:
[( 666 - 526 ) ÷ 526] x 100 = 26.62%
Formula
Percentage change = [(666 - 526) / 526] x 100
Subtract the new number by the original number
666 - 526 = 140
140 ÷ 526 = 0.2661596958174905
0.2661596958174905 x 100 = 26.62%