-89.06% is the change from 768 to 84
Calculation steps:
[( 84 - 768 ) ÷ 768] x 100 = -89.06%
Formula
Percentage change = [(84 - 768) / 768] x 100
Subtract the new number by the original number
84 - 768 = -684
-684 ÷ 768 = -0.890625
-0.890625 x 100 = -89.06%