-99.87% is the change from 781 to 1
Calculation steps:
[( 1 - 781 ) ÷ 781] x 100 = -99.87%
Formula
Percentage change = [(1 - 781) / 781] x 100
Subtract the new number by the original number
1 - 781 = -780
-780 ÷ 781 = -0.998719590268886
-0.998719590268886 x 100 = -99.87%