87.94% is the change from 257 to 483
Calculation steps:
[( 483 - 257 ) ÷ 257] x 100 = 87.94%
Formula
Percentage change = [(483 - 257) / 257] x 100
Subtract the new number by the original number
483 - 257 = 226
226 ÷ 257 = 0.8793774319066148
0.8793774319066148 x 100 = 87.94%