-39.09% is the change from 330 to 201
Calculation steps:
[( 201 - 330 ) ÷ 330] x 100 = -39.09%
Formula
Percentage change = [(201 - 330) / 330] x 100
Subtract the new number by the original number
201 - 330 = -129
-129 ÷ 330 = -0.39090909090909093
-0.39090909090909093 x 100 = -39.09%