16.34% is the change from 257 to 299
Calculation steps:
[( 299 - 257 ) ÷ 257] x 100 = 16.34%
Formula
Percentage change = [(299 - 257) / 257] x 100
Subtract the new number by the original number
299 - 257 = 42
42 ÷ 257 = 0.16342412451361868
0.16342412451361868 x 100 = 16.34%