-86.63% is the change from 546 to 73
Calculation steps:
[( 73 - 546 ) ÷ 546] x 100 = -86.63%
Formula
Percentage change = [(73 - 546) / 546] x 100
Subtract the new number by the original number
73 - 546 = -473
-473 ÷ 546 = -0.8663003663003663
-0.8663003663003663 x 100 = -86.63%