543.59% is the change from 78 to 502
Calculation steps:
[( 502 - 78 ) ÷ 78] x 100 = 543.59%
Formula
Percentage change = [(502 - 78) / 78] x 100
Subtract the new number by the original number
502 - 78 = 424
424 ÷ 78 = 5.435897435897436
5.435897435897436 x 100 = 543.59%