-99.09% is the change from 766 to 7
Calculation steps:
[( 7 - 766 ) ÷ 766] x 100 = -99.09%
Formula
Percentage change = [(7 - 766) / 766] x 100
Subtract the new number by the original number
7 - 766 = -759
-759 ÷ 766 = -0.9908616187989556
-0.9908616187989556 x 100 = -99.09%