-99.87% is the change from 775 to 1
Calculation steps:
[( 1 - 775 ) ÷ 775] x 100 = -99.87%
Formula
Percentage change = [(1 - 775) / 775] x 100
Subtract the new number by the original number
1 - 775 = -774
-774 ÷ 775 = -0.9987096774193548
-0.9987096774193548 x 100 = -99.87%