-32.1% is the change from 486 to 330
Calculation steps:
[( 330 - 486 ) ÷ 486] x 100 = -32.1%
Formula
Percentage change = [(330 - 486) / 486] x 100
Subtract the new number by the original number
330 - 486 = -156
-156 ÷ 486 = -0.32098765432098764
-0.32098765432098764 x 100 = -32.1%