550.65% is the change from 77 to 501
Calculation steps:
[( 501 - 77 ) ÷ 77] x 100 = 550.65%
Formula
Percentage change = [(501 - 77) / 77] x 100
Subtract the new number by the original number
501 - 77 = 424
424 ÷ 77 = 5.5064935064935066
5.5064935064935066 x 100 = 550.65%