108.56% is the change from 257 to 536
Calculation steps:
[( 536 - 257 ) ÷ 257] x 100 = 108.56%
Formula
Percentage change = [(536 - 257) / 257] x 100
Subtract the new number by the original number
536 - 257 = 279
279 ÷ 257 = 1.0856031128404668
1.0856031128404668 x 100 = 108.56%