-18.42% is the change from 304 to 248
Calculation steps:
[( 248 - 304 ) ÷ 304] x 100 = -18.42%
Formula
Percentage change = [(248 - 304) / 304] x 100
Subtract the new number by the original number
248 - 304 = -56
-56 ÷ 304 = -0.18421052631578946
-0.18421052631578946 x 100 = -18.42%