-91.15% is the change from 768 to 68
Calculation steps:
[( 68 - 768 ) ÷ 768] x 100 = -91.15%
Formula
Percentage change = [(68 - 768) / 768] x 100
Subtract the new number by the original number
68 - 768 = -700
-700 ÷ 768 = -0.9114583333333334
-0.9114583333333334 x 100 = -91.15%