108.17% is the change from 257 to 535
Calculation steps:
[( 535 - 257 ) ÷ 257] x 100 = 108.17%
Formula
Percentage change = [(535 - 257) / 257] x 100
Subtract the new number by the original number
535 - 257 = 278
278 ÷ 257 = 1.0817120622568093
1.0817120622568093 x 100 = 108.17%