769.62% is the change from 79 to 687
Calculation steps:
[( 687 - 79 ) ÷ 79] x 100 = 769.62%
Formula
Percentage change = [(687 - 79) / 79] x 100
Subtract the new number by the original number
687 - 79 = 608
608 ÷ 79 = 7.69620253164557
7.69620253164557 x 100 = 769.62%