-89.16% is the change from 766 to 83
Calculation steps:
[( 83 - 766 ) ÷ 766] x 100 = -89.16%
Formula
Percentage change = [(83 - 766) / 766] x 100
Subtract the new number by the original number
83 - 766 = -683
-683 ÷ 766 = -0.891644908616188
-0.891644908616188 x 100 = -89.16%