-30.93% is the change from 443 to 306
Calculation steps:
[( 306 - 443 ) ÷ 443] x 100 = -30.93%
Formula
Percentage change = [(306 - 443) / 443] x 100
Subtract the new number by the original number
306 - 443 = -137
-137 ÷ 443 = -0.309255079006772
-0.309255079006772 x 100 = -30.93%