-10.6% is the change from 566 to 506
Calculation steps:
[( 506 - 566 ) ÷ 566] x 100 = -10.6%
Formula
Percentage change = [(506 - 566) / 566] x 100
Subtract the new number by the original number
506 - 566 = -60
-60 ÷ 566 = -0.10600706713780919
-0.10600706713780919 x 100 = -10.6%