8433.33% is the change from 3 to 256
Calculation steps:
[( 256 - 3 ) ÷ 3] x 100 = 8433.33%
Formula
Percentage change = [(256 - 3) / 3] x 100
Subtract the new number by the original number
256 - 3 = 253
253 ÷ 3 = 84.33333333333333
84.33333333333333 x 100 = 8433.33%