544.87% is the change from 78 to 503
Calculation steps:
[( 503 - 78 ) ÷ 78] x 100 = 544.87%
Formula
Percentage change = [(503 - 78) / 78] x 100
Subtract the new number by the original number
503 - 78 = 425
425 ÷ 78 = 5.448717948717949
5.448717948717949 x 100 = 544.87%