73.83% is the change from 256 to 445
Calculation steps:
[( 445 - 256 ) ÷ 256] x 100 = 73.83%
Formula
Percentage change = [(445 - 256) / 256] x 100
Subtract the new number by the original number
445 - 256 = 189
189 ÷ 256 = 0.73828125
0.73828125 x 100 = 73.83%