26.48% is the change from 525 to 664
Calculation steps:
[( 664 - 525 ) ÷ 525] x 100 = 26.48%
Formula
Percentage change = [(664 - 525) / 525] x 100
Subtract the new number by the original number
664 - 525 = 139
139 ÷ 525 = 0.26476190476190475
0.26476190476190475 x 100 = 26.48%