-78.13% is the change from 768 to 168
Calculation steps:
[( 168 - 768 ) ÷ 768] x 100 = -78.13%
Formula
Percentage change = [(168 - 768) / 768] x 100
Subtract the new number by the original number
168 - 768 = -600
-600 ÷ 768 = -0.78125
-0.78125 x 100 = -78.13%