-85.4% is the change from 493 to 72
Calculation steps:
[( 72 - 493 ) ÷ 493] x 100 = -85.4%
Formula
Percentage change = [(72 - 493) / 493] x 100
Subtract the new number by the original number
72 - 493 = -421
-421 ÷ 493 = -0.8539553752535497
-0.8539553752535497 x 100 = -85.4%