-85.37% is the change from 499 to 73
Calculation steps:
[( 73 - 499 ) ÷ 499] x 100 = -85.37%
Formula
Percentage change = [(73 - 499) / 499] x 100
Subtract the new number by the original number
73 - 499 = -426
-426 ÷ 499 = -0.8537074148296593
-0.8537074148296593 x 100 = -85.37%