15.95% is the change from 257 to 298
Calculation steps:
[( 298 - 257 ) ÷ 257] x 100 = 15.95%
Formula
Percentage change = [(298 - 257) / 257] x 100
Subtract the new number by the original number
298 - 257 = 41
41 ÷ 257 = 0.15953307392996108
0.15953307392996108 x 100 = 15.95%