-86.65% is the change from 547 to 73
Calculation steps:
[( 73 - 547 ) ÷ 547] x 100 = -86.65%
Formula
Percentage change = [(73 - 547) / 547] x 100
Subtract the new number by the original number
73 - 547 = -474
-474 ÷ 547 = -0.8665447897623401
-0.8665447897623401 x 100 = -86.65%