106.25% is the change from 256 to 528
Calculation steps:
[( 528 - 256 ) ÷ 256] x 100 = 106.25%
Formula
Percentage change = [(528 - 256) / 256] x 100
Subtract the new number by the original number
528 - 256 = 272
272 ÷ 256 = 1.0625
1.0625 x 100 = 106.25%