143.36% is the change from 256 to 623
Calculation steps:
[( 623 - 256 ) ÷ 256] x 100 = 143.36%
Formula
Percentage change = [(623 - 256) / 256] x 100
Subtract the new number by the original number
623 - 256 = 367
367 ÷ 256 = 1.43359375
1.43359375 x 100 = 143.36%