-17.65% is the change from 663 to 546
Calculation steps:
[( 546 - 663 ) ÷ 663] x 100 = -17.65%
Formula
Percentage change = [(546 - 663) / 663] x 100
Subtract the new number by the original number
546 - 663 = -117
-117 ÷ 663 = -0.17647058823529413
-0.17647058823529413 x 100 = -17.65%