26.24% is the change from 526 to 664
Calculation steps:
[( 664 - 526 ) ÷ 526] x 100 = 26.24%
Formula
Percentage change = [(664 - 526) / 526] x 100
Subtract the new number by the original number
664 - 526 = 138
138 ÷ 526 = 0.2623574144486692
0.2623574144486692 x 100 = 26.24%