195.31% is the change from 256 to 756
Calculation steps:
[( 756 - 256 ) ÷ 256] x 100 = 195.31%
Formula
Percentage change = [(756 - 256) / 256] x 100
Subtract the new number by the original number
756 - 256 = 500
500 ÷ 256 = 1.953125
1.953125 x 100 = 195.31%