-13.76% is the change from 298 to 257
Calculation steps:
[( 257 - 298 ) ÷ 298] x 100 = -13.76%
Formula
Percentage change = [(257 - 298) / 298] x 100
Subtract the new number by the original number
257 - 298 = -41
-41 ÷ 298 = -0.13758389261744966
-0.13758389261744966 x 100 = -13.76%