134.77% is the change from 256 to 601
Calculation steps:
[( 601 - 256 ) ÷ 256] x 100 = 134.77%
Formula
Percentage change = [(601 - 256) / 256] x 100
Subtract the new number by the original number
601 - 256 = 345
345 ÷ 256 = 1.34765625
1.34765625 x 100 = 134.77%