-33.91% is the change from 463 to 306
Calculation steps:
[( 306 - 463 ) ÷ 463] x 100 = -33.91%
Formula
Percentage change = [(306 - 463) / 463] x 100
Subtract the new number by the original number
306 - 463 = -157
-157 ÷ 463 = -0.3390928725701944
-0.3390928725701944 x 100 = -33.91%