55.69% is the change from 501 to 780
Calculation steps:
[( 780 - 501 ) ÷ 501] x 100 = 55.69%
Formula
Percentage change = [(780 - 501) / 501] x 100
Subtract the new number by the original number
780 - 501 = 279
279 ÷ 501 = 0.5568862275449101
0.5568862275449101 x 100 = 55.69%