-15.77% is the change from 298 to 251
Calculation steps:
[( 251 - 298 ) ÷ 298] x 100 = -15.77%
Formula
Percentage change = [(251 - 298) / 298] x 100
Subtract the new number by the original number
251 - 298 = -47
-47 ÷ 298 = -0.15771812080536912
-0.15771812080536912 x 100 = -15.77%