-36.18% is the change from 398 to 254
Calculation steps:
[( 254 - 398 ) ÷ 398] x 100 = -36.18%
Formula
Percentage change = [(254 - 398) / 398] x 100
Subtract the new number by the original number
254 - 398 = -144
-144 ÷ 398 = -0.36180904522613067
-0.36180904522613067 x 100 = -36.18%