-3.53% is the change from 566 to 546
Calculation steps:
[( 546 - 566 ) ÷ 566] x 100 = -3.53%
Formula
Percentage change = [(546 - 566) / 566] x 100
Subtract the new number by the original number
546 - 566 = -20
-20 ÷ 566 = -0.0353356890459364
-0.0353356890459364 x 100 = -3.53%