-28.3% is the change from 424 to 304
Calculation steps:
[( 304 - 424 ) ÷ 424] x 100 = -28.3%
Formula
Percentage change = [(304 - 424) / 424] x 100
Subtract the new number by the original number
304 - 424 = -120
-120 ÷ 424 = -0.2830188679245283
-0.2830188679245283 x 100 = -28.3%