976.62% is the change from 77 to 829
Calculation steps:
[( 829 - 77 ) ÷ 77] x 100 = 976.62%
Formula
Percentage change = [(829 - 77) / 77] x 100
Subtract the new number by the original number
829 - 77 = 752
752 ÷ 77 = 9.766233766233766
9.766233766233766 x 100 = 976.62%