-30.21% is the change from 437 to 305
Calculation steps:
[( 305 - 437 ) ÷ 437] x 100 = -30.21%
Formula
Percentage change = [(305 - 437) / 437] x 100
Subtract the new number by the original number
305 - 437 = -132
-132 ÷ 437 = -0.30205949656750575
-0.30205949656750575 x 100 = -30.21%