-99.87% is the change from 766 to 1
Calculation steps:
[( 1 - 766 ) ÷ 766] x 100 = -99.87%
Formula
Percentage change = [(1 - 766) / 766] x 100
Subtract the new number by the original number
1 - 766 = -765
-765 ÷ 766 = -0.9986945169712794
-0.9986945169712794 x 100 = -99.87%