-99.87% is the change from 767 to 1
Calculation steps:
[( 1 - 767 ) ÷ 767] x 100 = -99.87%
Formula
Percentage change = [(1 - 767) / 767] x 100
Subtract the new number by the original number
1 - 767 = -766
-766 ÷ 767 = -0.9986962190352021
-0.9986962190352021 x 100 = -99.87%