-56.06% is the change from 330 to 145
Calculation steps:
[( 145 - 330 ) ÷ 330] x 100 = -56.06%
Formula
Percentage change = [(145 - 330) / 330] x 100
Subtract the new number by the original number
145 - 330 = -185
-185 ÷ 330 = -0.5606060606060606
-0.5606060606060606 x 100 = -56.06%