-41.7% is the change from 566 to 330
Calculation steps:
[( 330 - 566 ) ÷ 566] x 100 = -41.7%
Formula
Percentage change = [(330 - 566) / 566] x 100
Subtract the new number by the original number
330 - 566 = -236
-236 ÷ 566 = -0.4169611307420495
-0.4169611307420495 x 100 = -41.7%