109.73% is the change from 257 to 539
Calculation steps:
[( 539 - 257 ) ÷ 257] x 100 = 109.73%
Formula
Percentage change = [(539 - 257) / 257] x 100
Subtract the new number by the original number
539 - 257 = 282
282 ÷ 257 = 1.0972762645914398
1.0972762645914398 x 100 = 109.73%