-88.84% is the change from 251 to 28
Calculation steps:
[( 28 - 251 ) ÷ 251] x 100 = -88.84%
Formula
Percentage change = [(28 - 251) / 251] x 100
Subtract the new number by the original number
28 - 251 = -223
-223 ÷ 251 = -0.8884462151394422
-0.8884462151394422 x 100 = -88.84%