-33.88% is the change from 670 to 443
Calculation steps:
[( 443 - 670 ) ÷ 670] x 100 = -33.88%
Formula
Percentage change = [(443 - 670) / 670] x 100
Subtract the new number by the original number
443 - 670 = -227
-227 ÷ 670 = -0.33880597014925373
-0.33880597014925373 x 100 = -33.88%