897.4% is the change from 77 to 768
Calculation steps:
[( 768 - 77 ) ÷ 77] x 100 = 897.4%
Formula
Percentage change = [(768 - 77) / 77] x 100
Subtract the new number by the original number
768 - 77 = 691
691 ÷ 77 = 8.974025974025974
8.974025974025974 x 100 = 897.4%