495.35% is the change from 43 to 256
Calculation steps:
[( 256 - 43 ) ÷ 43] x 100 = 495.35%
Formula
Percentage change = [(256 - 43) / 43] x 100
Subtract the new number by the original number
256 - 43 = 213
213 ÷ 43 = 4.953488372093023
4.953488372093023 x 100 = 495.35%