912.99% is the change from 77 to 780
Calculation steps:
[( 780 - 77 ) ÷ 77] x 100 = 912.99%
Formula
Percentage change = [(780 - 77) / 77] x 100
Subtract the new number by the original number
780 - 77 = 703
703 ÷ 77 = 9.12987012987013
9.12987012987013 x 100 = 912.99%