901.3% is the change from 77 to 771
Calculation steps:
[( 771 - 77 ) ÷ 77] x 100 = 901.3%
Formula
Percentage change = [(771 - 77) / 77] x 100
Subtract the new number by the original number
771 - 77 = 694
694 ÷ 77 = 9.012987012987013
9.012987012987013 x 100 = 901.3%