6300% is the change from 4 to 256
Calculation steps:
[( 256 - 4 ) ÷ 4] x 100 = 6300%
Formula
Percentage change = [(256 - 4) / 4] x 100
Subtract the new number by the original number
256 - 4 = 252
252 ÷ 4 = 63
63 x 100 = 6300%
Example