-36.65% is the change from 483 to 306
Calculation steps:
[( 306 - 483 ) ÷ 483] x 100 = -36.65%
Formula
Percentage change = [(306 - 483) / 483] x 100
Subtract the new number by the original number
306 - 483 = -177
-177 ÷ 483 = -0.36645962732919257
-0.36645962732919257 x 100 = -36.65%