961.04% is the change from 77 to 817
Calculation steps:
[( 817 - 77 ) ÷ 77] x 100 = 961.04%
Formula
Percentage change = [(817 - 77) / 77] x 100
Subtract the new number by the original number
817 - 77 = 740
740 ÷ 77 = 9.61038961038961
9.61038961038961 x 100 = 961.04%