-89.21% is the change from 769 to 83
Calculation steps:
[( 83 - 769 ) ÷ 769] x 100 = -89.21%
Formula
Percentage change = [(83 - 769) / 769] x 100
Subtract the new number by the original number
83 - 769 = -686
-686 ÷ 769 = -0.8920676202860858
-0.8920676202860858 x 100 = -89.21%