-94.59% is the change from 499 to 27
Calculation steps:
[( 27 - 499 ) ÷ 499] x 100 = -94.59%
Formula
Percentage change = [(27 - 499) / 499] x 100
Subtract the new number by the original number
27 - 499 = -472
-472 ÷ 499 = -0.9458917835671342
-0.9458917835671342 x 100 = -94.59%