-31.99% is the change from 447 to 304
Calculation steps:
[( 304 - 447 ) ÷ 447] x 100 = -31.99%
Formula
Percentage change = [(304 - 447) / 447] x 100
Subtract the new number by the original number
304 - 447 = -143
-143 ÷ 447 = -0.319910514541387
-0.319910514541387 x 100 = -31.99%