-98.03% is the change from 863 to 17
Calculation steps:
[( 17 - 863 ) ÷ 863] x 100 = -98.03%
Formula
Percentage change = [(17 - 863) / 863] x 100
Subtract the new number by the original number
17 - 863 = -846
-846 ÷ 863 = -0.9803012746234068
-0.9803012746234068 x 100 = -98.03%