-99.22% is the change from 770 to 6
Calculation steps:
[( 6 - 770 ) ÷ 770] x 100 = -99.22%
Formula
Percentage change = [(6 - 770) / 770] x 100
Subtract the new number by the original number
6 - 770 = -764
-764 ÷ 770 = -0.9922077922077922
-0.9922077922077922 x 100 = -99.22%