-17.5% is the change from 663 to 547
Calculation steps:
[( 547 - 663 ) ÷ 663] x 100 = -17.5%
Formula
Percentage change = [(547 - 663) / 663] x 100
Subtract the new number by the original number
547 - 663 = -116
-116 ÷ 663 = -0.17496229260935142
-0.17496229260935142 x 100 = -17.5%