-99.87% is the change from 779 to 1
Calculation steps:
[( 1 - 779 ) ÷ 779] x 100 = -99.87%
Formula
Percentage change = [(1 - 779) / 779] x 100
Subtract the new number by the original number
1 - 779 = -778
-778 ÷ 779 = -0.9987163029525032
-0.9987163029525032 x 100 = -99.87%