-47.88% is the change from 330 to 172
Calculation steps:
[( 172 - 330 ) ÷ 330] x 100 = -47.88%
Formula
Percentage change = [(172 - 330) / 330] x 100
Subtract the new number by the original number
172 - 330 = -158
-158 ÷ 330 = -0.47878787878787876
-0.47878787878787876 x 100 = -47.88%