106.64% is the change from 256 to 529
Calculation steps:
[( 529 - 256 ) ÷ 256] x 100 = 106.64%
Formula
Percentage change = [(529 - 256) / 256] x 100
Subtract the new number by the original number
529 - 256 = 273
273 ÷ 256 = 1.06640625
1.06640625 x 100 = 106.64%