-45.99% is the change from 611 to 330
Calculation steps:
[( 330 - 611 ) ÷ 611] x 100 = -45.99%
Formula
Percentage change = [(330 - 611) / 611] x 100
Subtract the new number by the original number
330 - 611 = -281
-281 ÷ 611 = -0.45990180032733224
-0.45990180032733224 x 100 = -45.99%