202.73% is the change from 256 to 775
Calculation steps:
[( 775 - 256 ) ÷ 256] x 100 = 202.73%
Formula
Percentage change = [(775 - 256) / 256] x 100
Subtract the new number by the original number
775 - 256 = 519
519 ÷ 256 = 2.02734375
2.02734375 x 100 = 202.73%