-78.36% is the change from 499 to 108
Calculation steps:
[( 108 - 499 ) ÷ 499] x 100 = -78.36%
Formula
Percentage change = [(108 - 499) / 499] x 100
Subtract the new number by the original number
108 - 499 = -391
-391 ÷ 499 = -0.7835671342685371
-0.7835671342685371 x 100 = -78.36%