-1.77% is the change from 566 to 556
Calculation steps:
[( 556 - 566 ) ÷ 566] x 100 = -1.77%
Formula
Percentage change = [(556 - 566) / 566] x 100
Subtract the new number by the original number
556 - 566 = -10
-10 ÷ 566 = -0.0176678445229682
-0.0176678445229682 x 100 = -1.77%