253.31% is the change from 257 to 908
Calculation steps:
[( 908 - 257 ) ÷ 257] x 100 = 253.31%
Formula
Percentage change = [(908 - 257) / 257] x 100
Subtract the new number by the original number
908 - 257 = 651
651 ÷ 257 = 2.5330739299610894
2.5330739299610894 x 100 = 253.31%