-99.09% is the change from 768 to 7
Calculation steps:
[( 7 - 768 ) ÷ 768] x 100 = -99.09%
Formula
Percentage change = [(7 - 768) / 768] x 100
Subtract the new number by the original number
7 - 768 = -761
-761 ÷ 768 = -0.9908854166666666
-0.9908854166666666 x 100 = -99.09%