-64.52% is the change from 930 to 330
Calculation steps:
[( 330 - 930 ) ÷ 930] x 100 = -64.52%
Formula
Percentage change = [(330 - 930) / 930] x 100
Subtract the new number by the original number
330 - 930 = -600
-600 ÷ 930 = -0.6451612903225806
-0.6451612903225806 x 100 = -64.52%