-9.9% is the change from 606 to 546
Calculation steps:
[( 546 - 606 ) ÷ 606] x 100 = -9.9%
Formula
Percentage change = [(546 - 606) / 606] x 100
Subtract the new number by the original number
546 - 606 = -60
-60 ÷ 606 = -0.09900990099009901
-0.09900990099009901 x 100 = -9.9%