-30.43% is the change from 437 to 304
Calculation steps:
[( 304 - 437 ) ÷ 437] x 100 = -30.43%
Formula
Percentage change = [(304 - 437) / 437] x 100
Subtract the new number by the original number
304 - 437 = -133
-133 ÷ 437 = -0.30434782608695654
-0.30434782608695654 x 100 = -30.43%