-38.65% is the change from 251 to 154
Calculation steps:
[( 154 - 251 ) ÷ 251] x 100 = -38.65%
Formula
Percentage change = [(154 - 251) / 251] x 100
Subtract the new number by the original number
154 - 251 = -97
-97 ÷ 251 = -0.38645418326693226
-0.38645418326693226 x 100 = -38.65%