-96.09% is the change from 768 to 30
Calculation steps:
[( 30 - 768 ) ÷ 768] x 100 = -96.09%
Formula
Percentage change = [(30 - 768) / 768] x 100
Subtract the new number by the original number
30 - 768 = -738
-738 ÷ 768 = -0.9609375
-0.9609375 x 100 = -96.09%