-97.79% is the change from 768 to 17
Calculation steps:
[( 17 - 768 ) ÷ 768] x 100 = -97.79%
Formula
Percentage change = [(17 - 768) / 768] x 100
Subtract the new number by the original number
17 - 768 = -751
-751 ÷ 768 = -0.9778645833333334
-0.9778645833333334 x 100 = -97.79%