-12.45% is the change from 546 to 478
Calculation steps:
[( 478 - 546 ) ÷ 546] x 100 = -12.45%
Formula
Percentage change = [(478 - 546) / 546] x 100
Subtract the new number by the original number
478 - 546 = -68
-68 ÷ 546 = -0.12454212454212454
-0.12454212454212454 x 100 = -12.45%