-17.76% is the change from 304 to 250
Calculation steps:
[( 250 - 304 ) ÷ 304] x 100 = -17.76%
Formula
Percentage change = [(250 - 304) / 304] x 100
Subtract the new number by the original number
250 - 304 = -54
-54 ÷ 304 = -0.17763157894736842
-0.17763157894736842 x 100 = -17.76%