-33.38% is the change from 671 to 447
Calculation steps:
[( 447 - 671 ) ÷ 671] x 100 = -33.38%
Formula
Percentage change = [(447 - 671) / 671] x 100
Subtract the new number by the original number
447 - 671 = -224
-224 ÷ 671 = -0.33383010432190763
-0.33383010432190763 x 100 = -33.38%