503.9% is the change from 77 to 465
Calculation steps:
[( 465 - 77 ) ÷ 77] x 100 = 503.9%
Formula
Percentage change = [(465 - 77) / 77] x 100
Subtract the new number by the original number
465 - 77 = 388
388 ÷ 77 = 5.038961038961039
5.038961038961039 x 100 = 503.9%