-7.33% is the change from 546 to 506
Calculation steps:
[( 506 - 546 ) ÷ 546] x 100 = -7.33%
Formula
Percentage change = [(506 - 546) / 546] x 100
Subtract the new number by the original number
506 - 546 = -40
-40 ÷ 546 = -0.07326007326007326
-0.07326007326007326 x 100 = -7.33%