709.09% is the change from 77 to 623
Calculation steps:
[( 623 - 77 ) ÷ 77] x 100 = 709.09%
Formula
Percentage change = [(623 - 77) / 77] x 100
Subtract the new number by the original number
623 - 77 = 546
546 ÷ 77 = 7.090909090909091
7.090909090909091 x 100 = 709.09%