539.74% is the change from 78 to 499
Calculation steps:
[( 499 - 78 ) ÷ 78] x 100 = 539.74%
Formula
Percentage change = [(499 - 78) / 78] x 100
Subtract the new number by the original number
499 - 78 = 421
421 ÷ 78 = 5.397435897435898
5.397435897435898 x 100 = 539.74%